diff options
Diffstat (limited to 'content')
84 files changed, 313 insertions, 321 deletions
diff --git a/content/datastructures/lichao.cpp b/content/datastructures/lichao.cpp index c20c61d..bdbf5f9 100644 --- a/content/datastructures/lichao.cpp +++ b/content/datastructures/lichao.cpp @@ -1,5 +1,6 @@ vector<ll> xs; // IMPORTANT: Initialize before constructing! -int findX(int i) { return lower_bound(all(xs), i) - begin(xs); } +int findX(int i) { + return ranges::lower_bound(xs, i) - begin(xs); } struct Fun { // Default: Linear function. Change as needed. ll m, c; @@ -11,7 +12,7 @@ struct Lichao { static constexpr Fun id = {0, INF}; // {0, -INF} int n, cap; vector<Fun> seg; - Lichao() : n(sz(xs)), cap(2 << __lg(n)), seg(2 * cap, id) {} + Lichao() : n(ssize(xs)), cap(2 << __lg(n)), seg(2 * cap, id) {} void _insert(Fun f, int l, int r, int i) { while (i < 2 * cap) { diff --git a/content/datastructures/monotonicConvexHull.cpp b/content/datastructures/monotonicConvexHull.cpp index 2bdeccf..295acc4 100644 --- a/content/datastructures/monotonicConvexHull.cpp +++ b/content/datastructures/monotonicConvexHull.cpp @@ -12,15 +12,14 @@ struct Envelope { } void add(ll m, ll b) { - while (sz(ls) > 1 && bad(ls.end()[-2], ls.back(), {m, b})) { - ls.pop_back(); - } + while (ssize(ls) > 1 + && bad(ls.end()[-2], ls.back(), {m,b})) ls.pop_back(); ls.push_back({m, b}); - ptr = min(ptr, (int)sz(ls) - 1); + ptr = min(ptr, (int)ssize(ls) - 1); } ll query(ll x) { - while (ptr < sz(ls)-1 && ls[ptr + 1](x) < ls[ptr](x)) ptr++; + while (ptr < ssize(ls)-1 && ls[ptr+1](x) < ls[ptr](x)) ptr++; return ls[ptr](x); } }; diff --git a/content/datastructures/persistent.cpp b/content/datastructures/persistent.cpp index f26680d..9f38806 100644 --- a/content/datastructures/persistent.cpp +++ b/content/datastructures/persistent.cpp @@ -1,18 +1,18 @@ -template<typename T>
-struct persistent {
- int& time;
- vector<pair<int, T>> data;
-
- persistent(int& time, T value = {})
- : time(time), data(1, {2*time, value}) {}
-
- T get(int t) {
- return prev(upper_bound(all(data),pair{2*t+1, T{}}))->second;
- }
-
- int set(T value) {
- time++;
- data.push_back({2*time, value});
- return time;
- }
-};
+template<typename T> +struct persistent { + int& time; + vector<pair<int, T>> data; + + persistent(int& time, T value = {}) + : time(time), data(1, {2*time, value}) {} + + T get(int t) { + return prev(ranges::upper_bound(data,pair{2*t+1, T{}}))->second; + } + + int set(T value) { + time++; + data.push_back({2*time, value}); + return time; + } +}; diff --git a/content/datastructures/sparseTable.cpp b/content/datastructures/sparseTable.cpp index 5e84236..44989ab 100644 --- a/content/datastructures/sparseTable.cpp +++ b/content/datastructures/sparseTable.cpp @@ -7,10 +7,10 @@ struct SparseTable { } void init(vector<ll> &vec) { - int n = sz(vec); + int n = ssize(vec); a = vec.data(); st.assign(__lg(n) + 1, vector<int>(n)); - iota(all(st[0]), 0); + iota(begin(st[0]), end(st[0]), 0); for (int j = 0; (2 << j) <= n; j++) { for (int i = 0; i + (2 << j) <= n; i++) { st[j + 1][i] = better(st[j][i] , st[j][i + (1 << j)]); diff --git a/content/datastructures/sparseTableDisjoint.cpp b/content/datastructures/sparseTableDisjoint.cpp index 39c7caa..bcf6b2e 100644 --- a/content/datastructures/sparseTableDisjoint.cpp +++ b/content/datastructures/sparseTableDisjoint.cpp @@ -8,7 +8,7 @@ struct DisjointST { } void init(vector<ll> &vec) { - int n = sz(vec); + int n = ssize(vec); a = vec.data(); dst.assign(__lg(n) + 1, vector<ll>(n + 1, neutral)); for (int h = 0, l = 1; l <= n; h++, l *= 2) { diff --git a/content/datastructures/treap.cpp b/content/datastructures/treap.cpp index c5a60e9..bddfdb4 100644 --- a/content/datastructures/treap.cpp +++ b/content/datastructures/treap.cpp @@ -66,7 +66,7 @@ struct Treap { void insert(int i, ll val) { // and i = val auto [left, right] = split(root, i); treap.emplace_back(val); - left = merge(left, sz(treap) - 1); + left = merge(left, ssize(treap) - 1); root = merge(left, right); } diff --git a/content/geometry/antipodalPoints.cpp b/content/geometry/antipodalPoints.cpp index 110cc74..b34b175 100644 --- a/content/geometry/antipodalPoints.cpp +++ b/content/geometry/antipodalPoints.cpp @@ -1,12 +1,12 @@ vector<pair<int, int>> antipodalPoints(vector<pt>& h) { - if (sz(h) < 2) return {}; + if (ssize(h) < 2) return {}; vector<pair<int, int>> result; for (int i = 0, j = 1; i < j; i++) { while (true) { result.push_back({i, j}); - if (cross(h[(i + 1) % sz(h)] - h[i], - h[(j + 1) % sz(h)] - h[j]) <= 0) break; - j = (j + 1) % sz(h); + if (cross(h[(i + 1) % ssize(h)] - h[i], + h[(j + 1) % ssize(h)] - h[j]) <= 0) break; + j = (j + 1) % ssize(h); }} return result; } diff --git a/content/geometry/closestPair.cpp b/content/geometry/closestPair.cpp index 9b115f3..bbefa67 100644 --- a/content/geometry/closestPair.cpp +++ b/content/geometry/closestPair.cpp @@ -4,12 +4,11 @@ ll rec(vector<pt>::iterator a, int l, int r) { ll midx = a[m].real(); ll ans = min(rec(a, l, m), rec(a, m, r)); - inplace_merge(a+l, a+m, a+r, [](const pt& x, const pt& y) { - return x.imag() < y.imag(); - }); + ranges::inplace_merge(a+l, a+m, a+r, {}, + [](pt x) { return imag(x); }); pt tmp[8]; - fill(all(tmp), a[l]); + ranges::fill(tmp, a[l]); for (int i = l + 1, next = 0; i < r; i++) { if (ll x = a[i].real() - midx; x * x < ans) { for (pt& p : tmp) ans = min(ans, norm(p - a[i])); @@ -19,9 +18,7 @@ ll rec(vector<pt>::iterator a, int l, int r) { return ans; } -ll shortestDist(vector<pt> a) { // sz(pts) > 1 - sort(all(a), [](const pt& x, const pt& y) { - return x.real() < y.real(); - }); - return rec(a.begin(), 0, sz(a)); +ll shortestDist(vector<pt> a) { // size(pts) > 1 + ranges::sort(a, {}, [](pt x) { return real(x); }); + return rec(a.begin(), 0, ssize(a)); } diff --git a/content/geometry/convexHull.cpp b/content/geometry/convexHull.cpp index 1173924..03c6343 100644 --- a/content/geometry/convexHull.cpp +++ b/content/geometry/convexHull.cpp @@ -1,18 +1,16 @@ vector<pt> convexHull(vector<pt> pts){ - sort(all(pts), [](const pt& a, const pt& b){ - return real(a) == real(b) ? imag(a) < imag(b) - : real(a) < real(b); - }); - pts.erase(unique(all(pts)), pts.end()); + ranges::sort(pts, {}, + [](pt x) { return pair{real(x), imag(x)}; }); + pts.erase(begin(ranges::unique(pts)), end(pts)); int k = 0; - vector<pt> h(2 * sz(pts)); - auto half = [&](auto begin, auto end, int t) { - for (auto it = begin; it != end; it++) { - while (k > t && cross(h[k-2], h[k-1], *it) <= 0) k--; - h[k++] = *it; + vector<pt> h(2 * ssize(pts)); + auto half = [&](auto &&v, int t) { + for (auto x: v) { + while (k > t && cross(h[k-2], h[k-1], x) <= 0) k--; + h[k++] = x; }}; - half(all(pts), 1); // Untere Hülle. - half(next(pts.rbegin()), pts.rend(), k); // Obere Hülle. + half(pts, 1); // Untere Hülle. + half(pts | views::reverse | views::drop(1), k); // Obere Hülle h.resize(k); return h; } diff --git a/content/geometry/delaunay.cpp b/content/geometry/delaunay.cpp index 5672b57..9ae9061 100644 --- a/content/geometry/delaunay.cpp +++ b/content/geometry/delaunay.cpp @@ -99,12 +99,10 @@ pair<QuadEdge*, QuadEdge*> rec(IT l, IT r) { } vector<pt> delaunay(vector<pt> pts) { - if (sz(pts) <= 2) return {}; - sort(all(pts), [](const pt& a, const pt& b) { - if (real(a) != real(b)) return real(a) < real(b); - return imag(a) < imag(b); - }); - QuadEdge* r = rec(all(pts)).first; + if (ssize(pts) <= 2) return {}; + ranges::sort(pts, {}, + [](pt x) { return pair{real(x), imag(x)}; }); + QuadEdge* r = rec(begin(pts), end(pts)).first; vector<QuadEdge*> edges = {r}; while (cross(r->onext->dest(), r->dest(), r->orig) < 0) r = r->onext; auto add = [&](QuadEdge* e){ @@ -118,7 +116,7 @@ vector<pt> delaunay(vector<pt> pts) { }; add(r); pts.clear(); - for (int i = 0; i < sz(edges); i++) { + for (int i = 0; i < ssize(edges); i++) { if (!edges[i]->used) add(edges[i]); } return pts; diff --git a/content/geometry/geometry.tex b/content/geometry/geometry.tex index 976fb4d..9290de4 100644 --- a/content/geometry/geometry.tex +++ b/content/geometry/geometry.tex @@ -18,6 +18,7 @@ \end{itemize} \sourcecode{geometry/convexHull.cpp} \end{algorithm} +\columnbreak \begin{algorithm}{Rotating calipers} \begin{methods} diff --git a/content/geometry/linesAndSegments.cpp b/content/geometry/linesAndSegments.cpp index db34179..985ee24 100644 --- a/content/geometry/linesAndSegments.cpp +++ b/content/geometry/linesAndSegments.cpp @@ -28,9 +28,7 @@ pt projectToLine(pt a, pt b, pt p) { // sortiert alle Punkte pts auf einer Linie entsprechend dir void sortLine(pt dir, vector<pt>& pts) { // (2d und 3d) - sort(all(pts), [&](pt a, pt b){ - return dot(dir, a) < dot(dir, b); - }); + ranges::sort(pts, {}, [&](pt x) { return dot(dir, x); }); } // Liegt p auf der Strecke a-b? (nutze < für inberhalb) diff --git a/content/geometry/polygon.cpp b/content/geometry/polygon.cpp index b9ecebb..626162a 100644 --- a/content/geometry/polygon.cpp +++ b/content/geometry/polygon.cpp @@ -2,7 +2,7 @@ // Punkte gegen den Uhrzeigersinn: positiv, sonst negativ. double area(const vector<pt>& poly) { //poly[0] == poly.back() ll res = 0; - for (int i = 0; i + 1 < sz(poly); i++) + for (int i = 0; i + 1 < ssize(poly); i++) res += cross(poly[i], poly[i + 1]); return 0.5 * res; } @@ -13,7 +13,7 @@ double area(const vector<pt>& poly) { //poly[0] == poly.back() // selbstschneidenden Polygonen (definitions Sache) ll windingNumber(pt p, const vector<pt>& poly) { ll res = 0; - for (int i = 0; i + 1 < sz(poly); i++) { + for (int i = 0; i + 1 < ssize(poly); i++) { pt a = poly[i], b = poly[i + 1]; if (real(a) > real(b)) swap(a, b); if (real(a) <= real(p) && real(p) < real(b) && @@ -27,7 +27,7 @@ ll windingNumber(pt p, const vector<pt>& poly) { // Ändere Zeile 32 falls rand zählt, poly[0] == poly.back() bool inside(pt p, const vector<pt>& poly) { bool in = false; - for (int i = 0; i + 1 < sz(poly); i++) { + for (int i = 0; i + 1 < ssize(poly); i++) { pt a = poly[i], b = poly[i + 1]; if (pointOnSegment(a, b, p)) return false; if (real(a) > real(b)) swap(a,b); @@ -41,7 +41,7 @@ bool inside(pt p, const vector<pt>& poly) { // convex hull without duplicates, h[0] != h.back() // apply comments if border counts as inside bool insideConvex(pt p, const vector<pt>& hull) { - int l = 0, r = sz(hull) - 1; + int l = 0, r = ssize(hull) - 1; if (cross(hull[0], hull[r], p) >= 0) return false; // > 0 while (l + 1 < r) { int m = (l + r) / 2; @@ -52,11 +52,9 @@ bool insideConvex(pt p, const vector<pt>& hull) { } void rotateMin(vector<pt>& hull) { - auto mi = min_element(all(hull), [](const pt& a, const pt& b){ - return real(a) == real(b) ? imag(a) < imag(b) - : real(a) < real(b); - }); - rotate(hull.begin(), mi, hull.end()); + auto mi = ranges::min_element(hull, {}, + [](pt a) { return pair{real(a), imag(a)}; }); + ranges::rotate(hull, mi); } // convex hulls without duplicates, h[0] != h.back() @@ -68,7 +66,7 @@ vector<pt> minkowski(vector<pt> ps, vector<pt> qs) { ps.push_back(ps[1]); qs.push_back(qs[1]); vector<pt> res; - for (ll i = 0, j = 0; i + 2 < sz(ps) || j + 2 < sz(qs);) { + for (ll i = 0, j = 0; i + 2 < ssize(ps) || j + 2 < ssize(qs);) { res.push_back(ps[i] + qs[j]); auto c = cross(ps[i + 1] - ps[i], qs[j + 1] - qs[j]); if(c >= 0) i++; @@ -84,7 +82,7 @@ double dist(const vector<pt>& ps, vector<pt> qs) { p.push_back(p[0]); double res = INF; bool intersect = true; - for (ll i = 0; i + 1 < sz(p); i++) { + for (ll i = 0; i + 1 < ssize(p); i++) { intersect &= cross(p[i], p[i+1]) >= 0; res = min(res, distToSegment(p[i], p[i+1], 0)); } @@ -99,7 +97,7 @@ bool left(pt of, pt p) { return cross(p, of) < 0 || // returns index of corner where dot(dir, corner) is maximized int extremal(const vector<pt>& hull, pt dir) { dir *= pt(0, 1); - int l = 0, r = sz(hull) - 1; + int l = 0, r = ssize(hull) - 1; while (l + 1 < r) { int m = (l + r) / 2; pt dm = hull[m+1]-hull[m]; @@ -111,7 +109,7 @@ int extremal(const vector<pt>& hull, pt dir) { if (cross(dir, dm) < 0) l = m; else r = m; }} - return r % (sz(hull) - 1); + return r % (ssize(hull) - 1); } // convex hulls without duplicates, hull[0] == hull.back() and @@ -127,7 +125,7 @@ vector<int> intersectLine(const vector<pt>& hull, pt a, pt b) { if (cross(hull[endA], a, b) > 0 || cross(hull[endB], a, b) < 0) return {}; - int n = sz(hull) - 1; + int n = ssize(hull) - 1; vector<int> res; for (auto _ : {0, 1}) { int l = endA, r = endB; diff --git a/content/geometry/segmentIntersection.cpp b/content/geometry/segmentIntersection.cpp index afc01b2..9fdbdb8 100644 --- a/content/geometry/segmentIntersection.cpp +++ b/content/geometry/segmentIntersection.cpp @@ -39,10 +39,10 @@ pair<int, int> intersect(vector<seg>& segs) { events.push_back({s.a, s.id, 1}); events.push_back({s.b, s.id, -1}); } - sort(all(events)); + ranges::sort(events, less{}); set<seg> q; - vector<set<seg>::iterator> where(sz(segs)); + vector<set<seg>::iterator> where(ssize(segs)); for (auto e : events) { int id = e.id; if (e.type > 0) { diff --git a/content/geometry/sortAround.cpp b/content/geometry/sortAround.cpp index 9b09808..7e9d1de 100644 --- a/content/geometry/sortAround.cpp +++ b/content/geometry/sortAround.cpp @@ -3,7 +3,7 @@ bool left(pt p) { return real(p) < 0 || // counter clockwise, starting with "11:59" void sortAround(pt p, vector<pt>& ps) { - sort(all(ps), [&](const pt& a, const pt& b){ + ranges::sort(ps, [&](const pt& a, const pt& b){ if (left(a - p) != left(b - p)) return left(a - p) > left(b - p); return cross(p, a, b) > 0; diff --git a/content/graph/LCA_sparse.cpp b/content/graph/LCA_sparse.cpp index e391948..22a9082 100644 --- a/content/graph/LCA_sparse.cpp +++ b/content/graph/LCA_sparse.cpp @@ -5,9 +5,9 @@ struct LCA { SparseTable st; //sparse table @\sourceref{datastructures/sparseTable.cpp}@ void init(vector<vector<int>>& adj, int root) { - depth.assign(2 * sz(adj), 0); - visited.assign(2 * sz(adj), -1); - first.assign(sz(adj), 2 * sz(adj)); + depth.assign(2 * ssize(adj), 0); + visited.assign(2 * ssize(adj), -1); + first.assign(ssize(adj), 2 * ssize(adj)); idx = 0; dfs(adj, root); st.init(depth); @@ -18,7 +18,7 @@ struct LCA { first[v] = min(idx, first[v]), idx++; for (int u : adj[v]) { - if (first[u] == 2 * sz(adj)) { + if (first[u] == 2 * ssize(adj)) { dfs(adj, u, d + 1); visited[idx] = v, depth[idx] = d, idx++; }}} diff --git a/content/graph/TSP.cpp b/content/graph/TSP.cpp index 6223858..4d2479c 100644 --- a/content/graph/TSP.cpp +++ b/content/graph/TSP.cpp @@ -1,7 +1,7 @@ vector<vector<ll>> dist; // Entfernung zwischen je zwei Punkten. auto TSP() { - int n = sz(dist), m = 1 << n; + int n = ssize(dist), m = 1 << n; vector<vector<edge>> dp(n, vector<edge>(m, edge{INF, -1})); for (int c = 0; c < n; c++) @@ -21,7 +21,7 @@ auto TSP() { vector<int> tour = {0}; int v = 0; - while (tour.back() != 0 || sz(tour) == 1) + while (tour.back() != 0 || ssize(tour) == 1) tour.push_back(dp[tour.back()] [(v |= (1 << tour.back()))].to); // Enthält Knoten 0 zweimal. An erster und letzter Position. diff --git a/content/graph/articulationPoints.cpp b/content/graph/articulationPoints.cpp index 25ff67e..60970e6 100644 --- a/content/graph/articulationPoints.cpp +++ b/content/graph/articulationPoints.cpp @@ -14,14 +14,14 @@ int dfs(int v, int from = -1) { if (num[e.to] < me) st.push_back(e); } else { if (v == root) rootCount++; - int si = sz(st); + int si = ssize(st); int up = dfs(e.to, e.id); top = min(top, up); if (up >= me) isArt[v] = true; if (up > me) bridges.push_back(e); if (up <= me) st.push_back(e); if (up == me) { - bcc.emplace_back(si + all(st)); + bcc.emplace_back(begin(st) + si, end(st)); st.resize(si); }}} return top; @@ -29,12 +29,12 @@ int dfs(int v, int from = -1) { void find() { counter = 0; - num.assign(sz(adj), 0); - isArt.assign(sz(adj), false); + num.assign(ssize(adj), 0); + isArt.assign(ssize(adj), false); bridges.clear(); st.clear(); bcc.clear(); - for (int v = 0; v < sz(adj); v++) { + for (int v = 0; v < ssize(adj); v++) { if (!num[v]) { root = v; rootCount = 0; diff --git a/content/graph/bitonicTSP.cpp b/content/graph/bitonicTSP.cpp index a6f4c6e..eeff156 100644 --- a/content/graph/bitonicTSP.cpp +++ b/content/graph/bitonicTSP.cpp @@ -1,10 +1,10 @@ vector<vector<double>> dist; // Initialisiere mit Entfernungen zwischen Punkten. auto bitonicTSP() { - vector<double> dp(sz(dist), HUGE_VAL); - vector<int> pre(sz(dist)); // nur für Tour + vector<double> dp(ssize(dist), HUGE_VAL); + vector<int> pre(ssize(dist)); // nur für Tour dp[0] = 0; dp[1] = 2 * dist[0][1]; pre[1] = 0; - for (unsigned int i = 2; i < sz(dist); i++) { + for (unsigned int i = 2; i < ssize(dist); i++) { double link = 0; for (int j = i - 2; j >= 0; j--) { link += dist[j + 1][j + 2]; @@ -15,7 +15,7 @@ auto bitonicTSP() { }}} // return dp.back(); // Länge der Tour - int j, n = sz(dist) - 1; + int j, n = ssize(dist) - 1; vector<int> ut, lt = {n, n - 1}; do { j = pre[n]; @@ -25,7 +25,7 @@ auto bitonicTSP() { } } while(n = j + 1, j > 0); (lt.back() == 1 ? lt : ut).push_back(0); - reverse(all(lt)); - lt.insert(lt.end(), all(ut)); + ranges::reverse(lt); + lt.insert(end(lt), begin(ut), end(ut)); return lt; // Enthält Knoten 0 zweimal. An erster und letzter Position. } diff --git a/content/graph/bitonicTSPsimple.cpp b/content/graph/bitonicTSPsimple.cpp index cacfb9c..b6d72d8 100644 --- a/content/graph/bitonicTSPsimple.cpp +++ b/content/graph/bitonicTSPsimple.cpp @@ -3,7 +3,7 @@ vector<vector<double>> dp; double get(int p1, int p2) { int v = max(p1, p2) + 1; - if (v == sz(dist)) return dist[p1][v - 1] + dist[p2][v - 1]; + if (v == ssize(dist)) return dist[p1][v - 1] + dist[p2][v - 1]; if (dp[p1][p2] >= 0.0) return dp[p1][p2]; double tryLR = dist[p1][v] + get(v, p2); double tryRL = dist[p2][v] + get(p1, v); @@ -11,17 +11,19 @@ double get(int p1, int p2) { } auto bitonicTSP() { - dp = vector<vector<double>>(sz(dist), - vector<double>(sz(dist), -1)); + dp = vector<vector<double>>(ssize(dist), + vector<double>(ssize(dist), -1)); get(0, 0); - // return dp[0][0]; // Länger der Tour + // return dp[0][0]; // Länge der Tour vector<int> lr = {0}, rl = {0}; - for (int p1 = 0, p2 = 0, v; (v = max(p1, p2)+1) < sz(dist);) { + for (int p1 = 0, p2 = 0, v; + (v = max(p1, p2)+1) < ssize(dist);) { if (dp[p1][p2] == dist[p1][v] + dp[v][p2]) { lr.push_back(v); p1 = v; } else { rl.push_back(v); p2 = v; }} lr.insert(lr.end(), rl.rbegin(), rl.rend()); - return lr; // Enthält Knoten 0 zweimal. An erster und letzter Position. + // Enthält Knoten 0 zweimal. An erster und letzter Position. + return lr; } diff --git a/content/graph/blossom.cpp b/content/graph/blossom.cpp index 7bd494a..3c9bd31 100644 --- a/content/graph/blossom.cpp +++ b/content/graph/blossom.cpp @@ -32,7 +32,7 @@ struct GM { auto h = label[r] = label[s] = {~x, y}; int join; while (true) { - if (s != sz(adj)) swap(r, s); + if (s != ssize(adj)) swap(r, s); r = findFirst(label[pairs[r]].first); if (label[r] == h) { join = r; @@ -48,13 +48,13 @@ struct GM { }}} bool augment(int v) { - label[v] = {sz(adj), -1}; - first[v] = sz(adj); + label[v] = {ssize(adj), -1}; + first[v] = ssize(adj); head = tail = 0; for (que[tail++] = v; head < tail;) { int x = que[head++]; for (int y : adj[x]) { - if (pairs[y] == sz(adj) && y != v) { + if (pairs[y] == ssize(adj) && y != v) { pairs[y] = x; rematch(x, y); return true; @@ -70,12 +70,12 @@ struct GM { int match() { int matching = head = tail = 0; - for (int v = 0; v < sz(adj); v++) { - if (pairs[v] < sz(adj) || !augment(v)) continue; + for (int v = 0; v < ssize(adj); v++) { + if (pairs[v] < ssize(adj) || !augment(v)) continue; matching++; for (int i = 0; i < tail; i++) label[que[i]] = label[pairs[que[i]]] = {-1, -1}; - label[sz(adj)] = {-1, -1}; + label[ssize(adj)] = {-1, -1}; } return matching; } diff --git a/content/graph/bronKerbosch.cpp b/content/graph/bronKerbosch.cpp index 0cfcc5f..cf07c88 100644 --- a/content/graph/bronKerbosch.cpp +++ b/content/graph/bronKerbosch.cpp @@ -11,7 +11,7 @@ void bronKerboschRec(bits R, bits P, bits X) { } else { int q = min(P._Find_first(), X._Find_first()); bits cands = P & ~adj[q]; - for (int i = 0; i < sz(adj); i++) if (cands[i]) { + for (int i = 0; i < ssize(adj); i++) if (cands[i]) { R[i] = 1; bronKerboschRec(R, P & adj[i], X & adj[i]); R[i] = P[i] = 0; @@ -20,5 +20,5 @@ void bronKerboschRec(bits R, bits P, bits X) { void bronKerbosch() { cliques.clear(); - bronKerboschRec({}, {(1ull << sz(adj)) - 1}, {}); + bronKerboschRec({}, {(1ull << ssize(adj)) - 1}, {}); } diff --git a/content/graph/centroid.cpp b/content/graph/centroid.cpp index 820945b..3cd5519 100644 --- a/content/graph/centroid.cpp +++ b/content/graph/centroid.cpp @@ -15,7 +15,7 @@ pair<int, int> dfs_cent(int v, int from, int n) { } pair<int, int> find_centroid(int root = 0) { - s.resize(sz(adj)); + s.resize(ssize(adj)); dfs_sz(root); return dfs_cent(root, -1, s[root]); } diff --git a/content/graph/cycleCounting.cpp b/content/graph/cycleCounting.cpp index 471d399..65bf1a0 100644 --- a/content/graph/cycleCounting.cpp +++ b/content/graph/cycleCounting.cpp @@ -9,8 +9,8 @@ struct cycles { cycles(int n) : adj(n), seen(n), paths(n) {} void addEdge(int u, int v) { - adj[u].push_back({v, sz(edges)}); - adj[v].push_back({u, sz(edges)}); + adj[u].push_back({v, ssize(edges)}); + adj[v].push_back({u, ssize(edges)}); edges.push_back({u, v}); } @@ -38,8 +38,8 @@ struct cycles { bool isCycle(cycle cur) { // cycle must be constrcuted from base if (cur.none()) return false; - init(sz(adj)); // union find @\sourceref{datastructures/unionFind.cpp}@ - for (int i = 0; i < sz(edges); i++) { + init(ssize(adj)); // union find @\sourceref{datastructures/unionFind.cpp}@ + for (int i = 0; i < ssize(edges); i++) { if (cur[i]) { cur[i] = false; if (findSet(edges[i].first) == @@ -50,12 +50,12 @@ struct cycles { } int count() { - for (int i = 0; i < sz(adj); i++) findBase(i); - assert(sz(base) < 30); + for (int i = 0; i < ssize(adj); i++) findBase(i); + assert(ssize(base) < 30); int res = 0; - for (int i = 1; i < (1 << sz(base)); i++) { + for (int i = 1; i < (1 << ssize(base)); i++) { cycle cur; - for (int j = 0; j < sz(base); j++) + for (int j = 0; j < ssize(base); j++) if (((i >> j) & 1) != 0) cur ^= base[j]; if (isCycle(cur)) res++; } diff --git a/content/graph/dijkstra.cpp b/content/graph/dijkstra.cpp index 61c636d..4c1c9d8 100644 --- a/content/graph/dijkstra.cpp +++ b/content/graph/dijkstra.cpp @@ -2,8 +2,8 @@ using path = pair<ll, int>; //dist, destination auto dijkstra(const vector<vector<path>>& adj, int start) { priority_queue<path, vector<path>, greater<path>> pq; - vector<ll> dist(sz(adj), INF); - vector<int> prev(sz(adj), -1); + vector<ll> dist(ssize(adj), INF); + vector<int> prev(ssize(adj), -1); dist[start] = 0; pq.emplace(0, start); while (!pq.empty()) { diff --git a/content/graph/dinic.cpp b/content/graph/dinic.cpp index 2e58a2d..c8c34a8 100644 --- a/content/graph/dinic.cpp +++ b/content/graph/dinic.cpp @@ -8,12 +8,12 @@ int s, t; vector<int> pt, dist; void addEdge(int u, int v, ll c) { - adj[u].push_back({v, (int)sz(adj[v]), 0, c}); - adj[v].push_back({u, (int)sz(adj[u]) - 1, 0, 0}); + adj[u].push_back({v, (int)ssize(adj[v]), 0, c}); + adj[v].push_back({u, (int)ssize(adj[u]) - 1, 0, 0}); } bool bfs() { - dist.assign(sz(adj), -1); + dist.assign(ssize(adj), -1); dist[s] = 0; queue<int> q({s}); while (!q.empty() && dist[t] < 0) { @@ -28,7 +28,7 @@ bool bfs() { ll dfs(int v, ll flow = INF) { if (v == t || flow == 0) return flow; - for (; pt[v] < sz(adj[v]); pt[v]++) { + for (; pt[v] < ssize(adj[v]); pt[v]++) { Edge& e = adj[v][pt[v]]; if (dist[e.to] != dist[v] + 1) continue; ll cur = dfs(e.to, min(e.c - e.f, flow)); @@ -44,7 +44,7 @@ ll maxFlow(int source, int target) { s = source, t = target; ll flow = 0; while (bfs()) { - pt.assign(sz(adj), 0); + pt.assign(ssize(adj), 0); ll cur; do { cur = dfs(s); diff --git a/content/graph/dinicScaling.cpp b/content/graph/dinicScaling.cpp index 0974b78..0082c05 100644 --- a/content/graph/dinicScaling.cpp +++ b/content/graph/dinicScaling.cpp @@ -8,12 +8,12 @@ int s, t; vector<int> pt, dist; void addEdge(int u, int v, ll c) { - adj[u].push_back({v, (int)sz(adj[v]), 0, c}); - adj[v].push_back({u, (int)sz(adj[u]) - 1, 0, 0}); + adj[u].push_back({v, (int)ssize(adj[v]), 0, c}); + adj[v].push_back({u, (int)ssize(adj[u]) - 1, 0, 0}); } bool bfs(ll lim) { - dist.assign(sz(adj), -1); + dist.assign(ssize(adj), -1); dist[s] = 0; queue<int> q({s}); while (!q.empty() && dist[t] < 0) { @@ -28,7 +28,7 @@ bool bfs(ll lim) { ll dfs(int v, ll flow) { if (v == t || flow == 0) return flow; - for (; pt[v] < sz(adj[v]); pt[v]++) { + for (; pt[v] < ssize(adj[v]); pt[v]++) { Edge& e = adj[v][pt[v]]; if (dist[e.to] != dist[v] + 1) continue; ll cur = dfs(e.to, min(e.c - e.f, flow)); @@ -45,7 +45,7 @@ ll maxFlow(int source, int target) { ll flow = 0; for (ll lim = (1LL << 62); lim >= 1; lim /= 2) { while (bfs(lim)) { - pt.assign(sz(adj), 0); + pt.assign(ssize(adj), 0); ll cur; do { cur = dfs(s, lim); diff --git a/content/graph/euler.cpp b/content/graph/euler.cpp index a5ea192..c506d58 100644 --- a/content/graph/euler.cpp +++ b/content/graph/euler.cpp @@ -3,16 +3,16 @@ vector<int> to, validIdx, cycle; vector<bool> used; void addEdge(int u, int v) { - idx[u].push_back(sz(to)); + idx[u].push_back(ssize(to)); to.push_back(v); used.push_back(false); - idx[v].push_back(sz(to)); // für ungerichtet + idx[v].push_back(ssize(to)); // für ungerichtet to.push_back(u); used.push_back(false); } void euler(int v) { // init idx und validIdx - for (;validIdx[v] < sz(idx[v]); validIdx[v]++) { + for (;validIdx[v] < ssize(idx[v]); validIdx[v]++) { if (!used[idx[v][validIdx[v]]]) { int u = to[idx[v][validIdx[v]]]; used[idx[v][validIdx[v]]] = true; diff --git a/content/graph/floydWarshall.cpp b/content/graph/floydWarshall.cpp index df096c2..1a1138d 100644 --- a/content/graph/floydWarshall.cpp +++ b/content/graph/floydWarshall.cpp @@ -2,16 +2,16 @@ vector<vector<ll>> dist; // Entfernung zwischen je zwei Punkten. vector<vector<int>> next; void floydWarshall() { - next.assign(sz(dist), vector<int>(sz(dist), -1)); - for (int i = 0; i < sz(dist); i++) { - for (int j = 0; j < sz(dist); j++) { + next.assign(ssize(dist), vector<int>(ssize(dist), -1)); + for (int i = 0; i < ssize(dist); i++) { + for (int j = 0; j < ssize(dist); j++) { if (dist[i][j] < INF) { next[i][j] = j; }}} - for (int k = 0; k < sz(dist); k++) { - for (int i = 0; i < sz(dist); i++) { - for (int j = 0; j < sz(dist); j++) { + for (int k = 0; k < ssize(dist); k++) { + for (int i = 0; i < ssize(dist); i++) { + for (int j = 0; j < ssize(dist); j++) { // only needed if dist can be negative if (dist[i][k] == INF || dist[k][j] == INF) continue; if (dist[i][j] > dist[i][k] + dist[k][j]) { diff --git a/content/graph/havelHakimi.cpp b/content/graph/havelHakimi.cpp index ac4d67d..9f4c081 100644 --- a/content/graph/havelHakimi.cpp +++ b/content/graph/havelHakimi.cpp @@ -1,12 +1,12 @@ vector<vector<int>> havelHakimi(const vector<int>& deg) { priority_queue<pair<int, int>> pq; - for (int i = 0; i < sz(deg); i++) { + for (int i = 0; i < ssize(deg); i++) { if (deg[i] > 0) pq.push({deg[i], i}); } - vector<vector<int>> adj(sz(deg)); + vector<vector<int>> adj(ssize(deg)); while (!pq.empty()) { auto [degV, v] = pq.top(); pq.pop(); - if (sz(pq) < degV) return {}; //impossible + if (ssize(pq) < degV) return {}; //impossible vector<pair<int, int>> todo(degV); for (auto& e : todo) e = pq.top(), pq.pop(); for (auto [degU, u] : todo) { diff --git a/content/graph/hld.cpp b/content/graph/hld.cpp index 65d3f5c..e365b13 100644 --- a/content/graph/hld.cpp +++ b/content/graph/hld.cpp @@ -21,7 +21,7 @@ void dfs_hld(int v = 0, int from = -1) { } void init(int root = 0) { - int n = sz(adj); + int n = ssize(adj); sz.assign(n, 1), nxt.assign(n, root), par.assign(n, -1); in.resize(n), out.resize(n); counter = 0; diff --git a/content/graph/hopcroftKarp.cpp b/content/graph/hopcroftKarp.cpp index 7c0fec5..d07bd3a 100644 --- a/content/graph/hopcroftKarp.cpp +++ b/content/graph/hopcroftKarp.cpp @@ -21,7 +21,7 @@ bool bfs(int l) { } bool dfs(int v) { - for (; ptr[v] < sz(adj[v]); ptr[v]++) { + for (; ptr[v] < ssize(adj[v]); ptr[v]++) { int u = adj[v][ptr[v]]; if (pairs[u] < 0 || (dist[pairs[u]] > dist[v] && dfs(pairs[u]))) { @@ -33,7 +33,7 @@ bool dfs(int v) { int hopcroft_karp(int l) { // l = #Knoten links int ans = 0; - pairs.assign(sz(adj), -1); + pairs.assign(ssize(adj), -1); dist.resize(l); // Greedy Matching, optionale Beschleunigung. for (int v = 0; v < l; v++) for (int u : adj[v]) diff --git a/content/graph/kruskal.cpp b/content/graph/kruskal.cpp index 987d30b..d42800d 100644 --- a/content/graph/kruskal.cpp +++ b/content/graph/kruskal.cpp @@ -1,4 +1,4 @@ -sort(all(edges)); +ranges::sort(edges, less{}); vector<Edge> mst; ll cost = 0; for (Edge& e : edges) { diff --git a/content/graph/kuhn.cpp b/content/graph/kuhn.cpp index e928387..688c846 100644 --- a/content/graph/kuhn.cpp +++ b/content/graph/kuhn.cpp @@ -12,7 +12,7 @@ bool dfs(int v) { } int kuhn(int l) { // l = #Knoten links. - pairs.assign(sz(adj), -1); + pairs.assign(ssize(adj), -1); int ans = 0; // Greedy Matching. Optionale Beschleunigung. for (int v = 0; v < l; v++) for (int u : adj[v]) diff --git a/content/graph/matching.cpp b/content/graph/matching.cpp index dcaea8c..3619d7c 100644 --- a/content/graph/matching.cpp +++ b/content/graph/matching.cpp @@ -3,19 +3,19 @@ vector<vector<ll>> adj, mat; int max_matching() { int ans = 0; - mat.assign(sz(adj), {}); + mat.assign(ssize(adj), {}); for (int _ = 0; _ < I; _++) { - for (int v = 0; v < sz(adj); v++) { - mat[v].assign(sz(adj), 0); + for (int v = 0; v < ssize(adj); v++) { + mat[v].assign(ssize(adj), 0); for (int u : adj[v]) { if (u < v) { mat[v][u] = rand() % (MOD - 1) + 1; mat[u][v] = MOD - mat[v][u]; }}} - gauss(sz(adj), MOD); //LGS @\sourceref{math/lgsFp.cpp}@ + gauss(ssize(adj), MOD); //LGS @\sourceref{math/lgsFp.cpp}@ int rank = 0; for (auto& row : mat) { - if (*max_element(all(row)) != 0) rank++; + if (*ranges::max_element(row) != 0) rank++; } ans = max(ans, rank / 2); } diff --git a/content/graph/maxWeightBipartiteMatching.cpp b/content/graph/maxWeightBipartiteMatching.cpp index a2b0a80..b6f6ddf 100644 --- a/content/graph/maxWeightBipartiteMatching.cpp +++ b/content/graph/maxWeightBipartiteMatching.cpp @@ -45,6 +45,6 @@ double match(int l, int r) { yx[y] = aug[y]; swap(y, xy[aug[y]]); }} - return accumulate(all(lx), 0.0) + - accumulate(all(ly), 0.0); // Wert des Matchings + return accumulate(begin(lx), end(lx), 0.0) + + accumulate(begin(ly), end(ly), 0.0); // Wert des Matchings } diff --git a/content/graph/minCostMaxFlow.cpp b/content/graph/minCostMaxFlow.cpp index 14a222c..fde95f3 100644 --- a/content/graph/minCostMaxFlow.cpp +++ b/content/graph/minCostMaxFlow.cpp @@ -15,16 +15,16 @@ struct MinCostFlow { adj(n), s(source), t(target) {}; void addEdge(int u, int v, ll c, ll cost) { - adj[u].push_back(sz(edges)); + adj[u].push_back(ssize(edges)); edges.push_back({v, c, cost}); - adj[v].push_back(sz(edges)); + adj[v].push_back(ssize(edges)); edges.push_back({u, 0, -cost}); } bool SPFA() { - pref.assign(sz(adj), -1); - dist.assign(sz(adj), INF); - vector<bool> inqueue(sz(adj)); + pref.assign(ssize(adj), -1); + dist.assign(ssize(adj), INF); + vector<bool> inqueue(ssize(adj)); queue<int> queue; dist[s] = 0; queue.push(s); @@ -59,7 +59,7 @@ struct MinCostFlow { }} void mincostflow() { - con.assign(sz(adj), 0); + con.assign(ssize(adj), 0); maxflow = mincost = 0; while (SPFA()) extend(); } diff --git a/content/graph/pushRelabel.cpp b/content/graph/pushRelabel.cpp index ec36026..c569df2 100644 --- a/content/graph/pushRelabel.cpp +++ b/content/graph/pushRelabel.cpp @@ -9,8 +9,8 @@ vector<ll> ec; vector<int> cur, H; void addEdge(int u, int v, ll c) { - adj[u].push_back({v, (int)sz(adj[v]), 0, c}); - adj[v].push_back({u, (int)sz(adj[u])-1, 0, 0}); + adj[u].push_back({v, (int)ssize(adj[v]), 0, c}); + adj[v].push_back({u, (int)ssize(adj[u])-1, 0, 0}); } void addFlow(Edge& e, ll f) { @@ -23,7 +23,7 @@ void addFlow(Edge& e, ll f) { } ll maxFlow(int s, int t) { - int n = sz(adj); + int n = ssize(adj); hs.assign(2*n, {}); ec.assign(n, 0); cur.assign(n, 0); @@ -38,9 +38,9 @@ ll maxFlow(int s, int t) { int v = hs[hi].back(); hs[hi].pop_back(); while (ec[v] > 0) { - if (cur[v] == sz(adj[v])) { + if (cur[v] == ssize(adj[v])) { H[v] = 2*n; - for (int i = 0; i < sz(adj[v]); i++) { + for (int i = 0; i < ssize(adj[v]); i++) { Edge& e = adj[v][i]; if (e.c - e.f > 0 && H[v] > H[e.to] + 1) { diff --git a/content/graph/reroot.cpp b/content/graph/reroot.cpp index 379c839..5a9c9d1 100644 --- a/content/graph/reroot.cpp +++ b/content/graph/reroot.cpp @@ -26,11 +26,11 @@ struct Reroot { pref.push_back(takeChild(v, u, w, dp[u])); } auto suf = pref; - partial_sum(all(pref), pref.begin(), comb); + partial_sum(begin(pref), end(pref), begin(pref), comb); exclusive_scan(suf.rbegin(), suf.rend(), suf.rbegin(), E, comb); - for (int i = 0; i < sz(adj[v]); i++) { + for (int i = 0; i < ssize(adj[v]); i++) { auto [u, w] = adj[v][i]; if (u == from) continue; dp[v] = fin(v, comb(pref[i], suf[i + 1])); @@ -40,7 +40,7 @@ struct Reroot { } auto solve() { - dp.assign(sz(adj), E); + dp.assign(ssize(adj), E); dfs0(0); dfs1(0); return dp; diff --git a/content/graph/scc.cpp b/content/graph/scc.cpp index 32f1099..6887712 100644 --- a/content/graph/scc.cpp +++ b/content/graph/scc.cpp @@ -23,11 +23,11 @@ void visit(int v) { }}} void scc() { - inStack.assign(sz(adj), false); - low.assign(sz(adj), -1); - idx.assign(sz(adj), -1); + inStack.assign(ssize(adj), false); + low.assign(ssize(adj), -1); + idx.assign(ssize(adj), -1); counter = sccCounter = 0; - for (int i = 0; i < sz(adj); i++) { + for (int i = 0; i < ssize(adj); i++) { if (low[i] < 0) visit(i); }} diff --git a/content/graph/stoerWagner.cpp b/content/graph/stoerWagner.cpp index 0a6f653..a122488 100644 --- a/content/graph/stoerWagner.cpp +++ b/content/graph/stoerWagner.cpp @@ -7,7 +7,7 @@ vector<vector<Edge>> adj, tmp; vector<bool> erased; void merge(int u, int v) { - tmp[u].insert(tmp[u].end(), all(tmp[v])); + tmp[u].insert(end(tmp[u]), begin(tmp[v]), end(tmp[v])); tmp[v].clear(); erased[v] = true; for (auto& vec : tmp) { @@ -19,13 +19,13 @@ void merge(int u, int v) { ll stoer_wagner() { ll res = INF; tmp = adj; - erased.assign(sz(tmp), false); - for (int i = 1; i < sz(tmp); i++) { + erased.assign(ssize(tmp), false); + for (int i = 1; i < ssize(tmp); i++) { int s = 0; while (erased[s]) s++; priority_queue<pair<ll, int>> pq; pq.push({0, s}); - vector<ll> con(sz(tmp)); + vector<ll> con(ssize(tmp)); ll cur = 0; vector<pair<ll, int>> state; while (!pq.empty()) { diff --git a/content/graph/treeIsomorphism.cpp b/content/graph/treeIsomorphism.cpp index 355fefb..8c2ca21 100644 --- a/content/graph/treeIsomorphism.cpp +++ b/content/graph/treeIsomorphism.cpp @@ -7,9 +7,9 @@ int treeLabel(int v, int from = -1) { if (u == from) continue; children.push_back(treeLabel(u, v)); } - sort(all(children)); + ranges::sort(children); if (known.find(children) == known.end()) { - known[children] = sz(known); + known[children] = ssize(known); } return known[children]; } diff --git a/content/graph/virtualTree.cpp b/content/graph/virtualTree.cpp index 153ed0b..81ba001 100644 --- a/content/graph/virtualTree.cpp +++ b/content/graph/virtualTree.cpp @@ -2,14 +2,14 @@ vector<int> in, out; void virtualTree(vector<int> ind) { // indices of used nodes - sort(all(ind), [&](int x, int y) { return in[x] < in[y]; }); - for (int i = 1, n = sz(ind); i < n; i++) { + ranges::sort(ind, {}, [&](int x) { return in[x]; }); + for (int i = 1, n = ssize(ind); i < n; i++) { ind.push_back(lca(ind[i - 1], ind[i])); } - sort(all(ind), [&](int x, int y) { return in[x] < in[y]; }); - ind.erase(unique(all(ind)), ind.end()); + ranges::sort(ind, {}, [&](int x) { return in[x]; }); + ind.erase(begin(ranges::unique(ind)), end(ind)); - int n = sz(ind); + int n = ssize(ind); vector<vector<int>> tree(n); vector<int> st = {0}; for (int i = 1; i < n; i++) { diff --git a/content/math/berlekampMassey.cpp b/content/math/berlekampMassey.cpp index 29e084f..85a1031 100644 --- a/content/math/berlekampMassey.cpp +++ b/content/math/berlekampMassey.cpp @@ -1,6 +1,6 @@ constexpr ll mod = 1'000'000'007; vector<ll> BerlekampMassey(const vector<ll>& s) { - int n = sz(s), L = 0, m = 0; + int n = ssize(s), L = 0, m = 0; vector<ll> C(n), B(n), T; C[0] = B[0] = 1; diff --git a/content/math/bigint.cpp b/content/math/bigint.cpp index 4dad2be..a40f515 100644 --- a/content/math/bigint.cpp +++ b/content/math/bigint.cpp @@ -22,10 +22,11 @@ struct bigint { bigint operator+(const bigint& v) const { if (sign == v.sign) { bigint res = v; - for (ll i = 0, carry = 0; i < max(sz(a), sz(v.a)) || carry; ++i) { - if (i == sz(res.a)) + for (ll i = 0, carry = 0; + i < max(ssize(a), ssize(v.a)) || carry; ++i) { + if (i == ssize(res.a)) res.a.push_back(0); - res.a[i] += carry + (i < sz(a) ? a[i] : 0); + res.a[i] += carry + (i < ssize(a) ? a[i] : 0); carry = res.a[i] >= base; if (carry) res.a[i] -= base; @@ -39,8 +40,8 @@ struct bigint { if (sign == v.sign) { if (abs() >= v.abs()) { bigint res = *this; - for (ll i = 0, carry = 0; i < sz(v.a) || carry; ++i) { - res.a[i] -= carry + (i < sz(v.a) ? v.a[i] : 0); + for (ll i = 0, carry = 0; i < ssize(v.a) || carry; ++i) { + res.a[i] -= carry + (i < ssize(v.a) ? v.a[i] : 0); carry = res.a[i] < 0; if (carry) res.a[i] += base; } @@ -54,8 +55,8 @@ struct bigint { void operator*=(ll v) { if (v < 0) sign = -sign, v = -v; - for (ll i = 0, carry = 0; i < sz(a) || carry; ++i) { - if (i == sz(a)) a.push_back(0); + for (ll i = 0, carry = 0; i < ssize(a) || carry; ++i) { + if (i == ssize(a)) a.push_back(0); ll cur = a[i] * v + carry; carry = cur / base; a[i] = cur % base; @@ -74,12 +75,12 @@ struct bigint { bigint a = a1.abs() * norm; bigint b = b1.abs() * norm; bigint q, r; - q.a.resize(sz(a.a)); - for (ll i = sz(a.a) - 1; i >= 0; i--) { + q.a.resize(ssize(a.a)); + for (ll i = ssize(a.a) - 1; i >= 0; i--) { r *= base; r += a.a[i]; - ll s1 = sz(r.a) <= sz(b.a) ? 0 : r.a[sz(b.a)]; - ll s2 = sz(r.a) <= sz(b.a) - 1 ? 0 : r.a[sz(b.a) - 1]; + ll s1 = ssize(r.a) <= ssize(b.a) ? 0 : r.a[ssize(b.a)]; + ll s2 = ssize(r.a) <= ssize(b.a) - 1 ? 0 : r.a[ssize(b.a) - 1]; ll d = (base * s1 + s2) / b.a.back(); r -= b * d; while (r < 0) r += b, --d; @@ -102,7 +103,7 @@ struct bigint { void operator/=(ll v) { if (v < 0) sign = -sign, v = -v; - for (ll i = sz(a) - 1, rem = 0; i >= 0; --i) { + for (ll i = ssize(a) - 1, rem = 0; i >= 0; --i) { ll cur = a[i] + rem * base; a[i] = cur / v; rem = cur % v; @@ -119,7 +120,7 @@ struct bigint { ll operator%(ll v) const { if (v < 0) v = -v; ll m = 0; - for (ll i = sz(a) - 1; i >= 0; --i) + for (ll i = ssize(a) - 1; i >= 0; --i) m = (a[i] + m * base) % v; return m * sign; } @@ -139,9 +140,9 @@ struct bigint { bool operator<(const bigint& v) const { if (sign != v.sign) return sign < v.sign; - if (sz(a) != sz(v.a)) - return sz(a) * sign < sz(v.a) * v.sign; - for (ll i = sz(a) - 1; i >= 0; i--) + if (ssize(a) != ssize(v.a)) + return ssize(a) * sign < ssize(v.a) * v.sign; + for (ll i = ssize(a) - 1; i >= 0; i--) if (a[i] != v.a[i]) return a[i] * sign < v.a[i] * sign; return false; @@ -169,7 +170,7 @@ struct bigint { } bool isZero() const { - return a.empty() || (sz(a) == 1 && a[0] == 0); + return a.empty() || (ssize(a) == 1 && a[0] == 0); } bigint operator-() const { @@ -186,7 +187,7 @@ struct bigint { ll longValue() const { ll res = 0; - for (ll i = sz(a) - 1; i >= 0; i--) + for (ll i = ssize(a) - 1; i >= 0; i--) res = res * base + a[i]; return res * sign; } @@ -195,11 +196,11 @@ struct bigint { sign = 1; a.clear(); ll pos = 0; - while (pos < sz(s) && (s[pos] == '-' || s[pos] == '+')) { + while (pos < ssize(s) && (s[pos] == '-' || s[pos] == '+')) { if (s[pos] == '-') sign = -sign; ++pos; } - for (ll i = sz(s) - 1; i >= pos; i -= base_digits) { + for (ll i = ssize(s) - 1; i >= pos; i -= base_digits) { ll x = 0; for (ll j = max(pos, i - base_digits + 1); j <= i; j++) x = x * 10 + s[j] - '0'; @@ -218,13 +219,13 @@ struct bigint { friend ostream& operator<<(ostream& stream, const bigint& v) { if (v.sign == -1) stream << '-'; stream << (v.a.empty() ? 0 : v.a.back()); - for (ll i = sz(v.a) - 2; i >= 0; --i) + for (ll i = ssize(v.a) - 2; i >= 0; --i) stream << setw(base_digits) << setfill('0') << v.a[i]; return stream; } static vll karatsubaMultiply(const vll& a, const vll& b) { - ll n = sz(a); + ll n = ssize(a); vll res(n + n); if (n <= 32) { for (ll i = 0; i < n; i++) @@ -242,25 +243,25 @@ struct bigint { for (ll i = 0; i < k; i++) a2[i] += a1[i]; for (ll i = 0; i < k; i++) b2[i] += b1[i]; vll r = karatsubaMultiply(a2, b2); - for (ll i = 0; i < sz(a1b1); i++) r[i] -= a1b1[i]; - for (ll i = 0; i < sz(a2b2); i++) r[i] -= a2b2[i]; - for (ll i = 0; i < sz(r); i++) res[i + k] += r[i]; - for (ll i = 0; i < sz(a1b1); i++) res[i] += a1b1[i]; - for (ll i = 0; i < sz(a2b2); i++) res[i + n] += a2b2[i]; + for (ll i = 0; i < ssize(a1b1); i++) r[i] -= a1b1[i]; + for (ll i = 0; i < ssize(a2b2); i++) r[i] -= a2b2[i]; + for (ll i = 0; i < ssize(r); i++) res[i + k] += r[i]; + for (ll i = 0; i < ssize(a1b1); i++) res[i] += a1b1[i]; + for (ll i = 0; i < ssize(a2b2); i++) res[i + n] += a2b2[i]; return res; } bigint operator*(const bigint& v) const { vll ta(a.begin(), a.end()); vll va(v.a.begin(), v.a.end()); - while (sz(ta) < sz(va)) ta.push_back(0); - while (sz(va) < sz(ta)) va.push_back(0); - while (sz(ta) & (sz(ta) - 1)) + while (ssize(ta) < ssize(va)) ta.push_back(0); + while (ssize(va) < ssize(ta)) va.push_back(0); + while (ssize(ta) & (ssize(ta) - 1)) ta.push_back(0), va.push_back(0); vll ra = karatsubaMultiply(ta, va); bigint res; res.sign = sign * v.sign; - for (ll i = 0, carry = 0; i < sz(ra); i++) { + for (ll i = 0, carry = 0; i < ssize(ra); i++) { ll cur = ra[i] + carry; res.a.push_back(cur % base); carry = cur / base; diff --git a/content/math/discreteLogarithm.cpp b/content/math/discreteLogarithm.cpp index 68866e0..844bd27 100644 --- a/content/math/discreteLogarithm.cpp +++ b/content/math/discreteLogarithm.cpp @@ -5,11 +5,11 @@ ll dlog(ll a, ll b, ll m) { //a > 0! vals[i] = {e, i}; } vals.emplace_back(m, 0); - sort(all(vals)); + ranges::sort(vals); ll fact = powMod(a, m - bound - 1, m); for (ll i = 0; i < m; i += bound, b = (b * fact) % m) { - auto it = lower_bound(all(vals), pair<ll, ll>{b, 0}); + auto it = ranges::lower_bound(vals, pair<ll, ll>{b, 0}); if (it->first == b) { return (i + it->second) % m; }} diff --git a/content/math/gauss.cpp b/content/math/gauss.cpp index d431e52..719f573 100644 --- a/content/math/gauss.cpp +++ b/content/math/gauss.cpp @@ -7,7 +7,7 @@ void takeAll(int n, int line) { for (int i = 0; i < n; i++) { if (i == line) continue; double diff = mat[i][line]; - for (int j = 0; j < sz(mat[i]); j++) { + for (int j = 0; j < ssize(mat[i]); j++) { mat[i][j] -= diff * mat[line][j]; }}} @@ -22,7 +22,7 @@ int gauss(int n) { if (abs(mat[i][i]) > EPS) { normalLine(i); takeAll(n, i); - done[i] = true; + done[i] = true; }} for (int i = 0; i < n; i++) { // gauss fertig, prüfe Lösung bool allZero = true; diff --git a/content/math/inversions.cpp b/content/math/inversions.cpp index 9e47f9b..289161f 100644 --- a/content/math/inversions.cpp +++ b/content/math/inversions.cpp @@ -1,7 +1,7 @@ ll inversions(const vector<ll>& v) { Tree<pair<ll, ll>> t; //ordered statistics tree @\sourceref{datastructures/pbds.cpp}@ ll res = 0; - for (ll i = 0; i < sz(v); i++) { + for (ll i = 0; i < ssize(v); i++) { res += i - t.order_of_key({v[i], i}); t.insert({v[i], i}); } diff --git a/content/math/inversionsMerge.cpp b/content/math/inversionsMerge.cpp index 8235b11..50fe37b 100644 --- a/content/math/inversionsMerge.cpp +++ b/content/math/inversionsMerge.cpp @@ -2,26 +2,26 @@ ll merge(vector<ll>& v, vector<ll>& left, vector<ll>& right) { int a = 0, b = 0, i = 0; ll inv = 0; - while (a < sz(left) && b < sz(right)) { + while (a < ssize(left) && b < ssize(right)) { if (left[a] < right[b]) v[i++] = left[a++]; else { - inv += sz(left) - a; + inv += ssize(left) - a; v[i++] = right[b++]; } } - while (a < sz(left)) v[i++] = left[a++]; - while (b < sz(right)) v[i++] = right[b++]; + while (a < ssize(left)) v[i++] = left[a++]; + while (b < ssize(right)) v[i++] = right[b++]; return inv; } ll mergeSort(vector<ll> &v) { // Sortiert v und gibt Inversionszahl zurück. - int n = sz(v); + int n = ssize(v); vector<ll> left(n / 2), right((n + 1) / 2); for (int i = 0; i < n / 2; i++) left[i] = v[i]; for (int i = n / 2; i < n; i++) right[i - n / 2] = v[i]; ll result = 0; - if (sz(left) > 1) result += mergeSort(left); - if (sz(right) > 1) result += mergeSort(right); + if (ssize(left) > 1) result += mergeSort(left); + if (ssize(right) > 1) result += mergeSort(right); return result + merge(v, left, right); } diff --git a/content/math/lgsFp.cpp b/content/math/lgsFp.cpp index bf18c86..64e4c09 100644 --- a/content/math/lgsFp.cpp +++ b/content/math/lgsFp.cpp @@ -7,7 +7,7 @@ void takeAll(int n, int line, ll p) { for (int i = 0; i < n; i++) { if (i == line) continue; ll diff = mat[i][line]; - for (int j = 0; j < sz(mat[i]); j++) { + for (int j = 0; j < ssize(mat[i]); j++) { mat[i][j] -= (diff * mat[line][j]) % p; mat[i][j] = (mat[i][j] + p) % p; }}} diff --git a/content/math/linearRecurrence.cpp b/content/math/linearRecurrence.cpp index a8adacd..eb04566 100644 --- a/content/math/linearRecurrence.cpp +++ b/content/math/linearRecurrence.cpp @@ -1,9 +1,9 @@ constexpr ll mod = 998244353; // oder ntt mul @\sourceref{math/transforms/ntt.cpp}@ vector<ll> mul(const vector<ll>& a, const vector<ll>& b) { - vector<ll> c(sz(a) + sz(b) - 1); - for (int i = 0; i < sz(a); i++) { - for (int j = 0; j < sz(b); j++) { + vector<ll> c(ssize(a) + ssize(b) - 1); + for (int i = 0; i < ssize(a); i++) { + for (int j = 0; j < ssize(b); j++) { c[i+j] += a[i]*b[j] % mod; }} for (ll& x : c) x %= mod; @@ -11,7 +11,7 @@ vector<ll> mul(const vector<ll>& a, const vector<ll>& b) { } ll kthTerm(const vector<ll>& f, const vector<ll>& c, ll k) { - int n = sz(c); + int n = ssize(c); vector<ll> q(n + 1, 1); for (int i = 0; i < n; i++) q[i + 1] = (mod - c[i]) % mod; vector<ll> p = mul(f, q); diff --git a/content/math/linearRecurrenceOld.cpp b/content/math/linearRecurrenceOld.cpp index 2501e64..f67398d 100644 --- a/content/math/linearRecurrenceOld.cpp +++ b/content/math/linearRecurrenceOld.cpp @@ -1,7 +1,7 @@ constexpr ll mod = 1'000'000'007; vector<ll> modMul(const vector<ll>& a, const vector<ll>& b, const vector<ll>& c) { - ll n = sz(c); + ll n = ssize(c); vector<ll> res(n * 2 + 1); for (int i = 0; i <= n; i++) { //a*b for (int j = 0; j <= n; j++) { @@ -18,8 +18,8 @@ vector<ll> modMul(const vector<ll>& a, const vector<ll>& b, } ll kthTerm(const vector<ll>& f, const vector<ll>& c, ll k) { - assert(sz(f) == sz(c)); - vector<ll> tmp(sz(c) + 1), a(sz(c) + 1); + assert(ssize(f) == ssize(c)); + vector<ll> tmp(ssize(c) + 1), a(ssize(c) + 1); tmp[0] = a[1] = 1; //tmp = (x^k) % c for (k++; k > 0; k /= 2) { @@ -28,6 +28,6 @@ ll kthTerm(const vector<ll>& f, const vector<ll>& c, ll k) { } ll res = 0; - for (int i = 0; i < sz(c); i++) res += (tmp[i+1] * f[i]) % mod; + for (int i = 0; i < ssize(c); i++) res += (tmp[i+1] * f[i]) % mod; return res % mod; } diff --git a/content/math/longestIncreasingSubsequence.cpp b/content/math/longestIncreasingSubsequence.cpp index fcb63b4..e4863d0 100644 --- a/content/math/longestIncreasingSubsequence.cpp +++ b/content/math/longestIncreasingSubsequence.cpp @@ -1,8 +1,8 @@ vector<int> lis(vector<ll>& a) { - int n = sz(a), len = 0; + int n = ssize(a), len = 0; vector<ll> dp(n, INF), dp_id(n), prev(n); for (int i = 0; i < n; i++) { - int pos = lower_bound(all(dp), a[i]) - dp.begin(); + int pos = ranges::lower_bound(dp, a[i]) - begin(dp); dp[pos] = a[i]; dp_id[pos] = i; prev[i] = pos ? dp_id[pos - 1] : -1; diff --git a/content/math/matrixPower.cpp b/content/math/matrixPower.cpp index d981e6e..0729c15 100644 --- a/content/math/matrixPower.cpp +++ b/content/math/matrixPower.cpp @@ -1,7 +1,7 @@ vector<mat> pows; void precalc(mat m) { - pows = {mat(sz(m.m), 1), m}; + pows = {mat(ssize(m.m), 1), m}; for (int i = 1; i < 60; i++) pows.push_back(pows[i] * pows[i]); } diff --git a/content/math/permIndex.cpp b/content/math/permIndex.cpp index 4cffc12..563b33a 100644 --- a/content/math/permIndex.cpp +++ b/content/math/permIndex.cpp @@ -1,12 +1,12 @@ ll permIndex(vector<ll> v) { Tree<ll> t; - reverse(all(v)); + ranges::reverse(v); for (ll& x : v) { t.insert(x); x = t.order_of_key(x); } ll res = 0; - for (int i = sz(v); i > 0; i--) { + for (int i = ssize(v); i > 0; i--) { res = res * i + v[i - 1]; } return res; diff --git a/content/math/piLegendre.cpp b/content/math/piLegendre.cpp index 46c8584..6401a4f 100644 --- a/content/math/piLegendre.cpp +++ b/content/math/piLegendre.cpp @@ -16,7 +16,7 @@ ll phi(ll n, ll k) { ll pi(ll n) { if (n < N) { // implement this as O(1) lookup for speedup! - return distance(primes.begin(), upper_bound(all(primes), n)); + return ranges::upper_bound(primes, n) - begin(primes); } else { ll k = pi(sqrtl(n) + 1); return n - phi(n, k) + k; diff --git a/content/math/polynomial.cpp b/content/math/polynomial.cpp index 4698a00..12a4fd7 100644 --- a/content/math/polynomial.cpp +++ b/content/math/polynomial.cpp @@ -4,7 +4,7 @@ struct poly { poly(int deg = 0) : data(1 + deg) {} poly(initializer_list<ll> _data) : data(_data) {} - int size() const { return sz(data); } + int size() const { return ssize(data); } void trim() { for (ll& x : data) x = (x % mod + mod) % mod; diff --git a/content/math/transforms/andTransform.cpp b/content/math/transforms/andTransform.cpp index 1fd9f5c..1e9cfc0 100644 --- a/content/math/transforms/andTransform.cpp +++ b/content/math/transforms/andTransform.cpp @@ -1,5 +1,5 @@ void fft(vector<ll>& a, bool inv = false) { - int n = sz(a); + int n = ssize(a); for (int s = 1; s < n; s *= 2) { for (int i = 0; i < n; i += 2 * s) { for (int j = i; j < i + s; j++) { diff --git a/content/math/transforms/bitwiseTransforms.cpp b/content/math/transforms/bitwiseTransforms.cpp index 28561da..b98ea94 100644 --- a/content/math/transforms/bitwiseTransforms.cpp +++ b/content/math/transforms/bitwiseTransforms.cpp @@ -1,5 +1,5 @@ void bitwiseConv(vector<ll>& a, bool inv = false) { - int n = sz(a); + int n = ssize(a); for (int s = 1; s < n; s *= 2) { for (int i = 0; i < n; i += 2 * s) { for (int j = i; j < i + s; j++) { diff --git a/content/math/transforms/fft.cpp b/content/math/transforms/fft.cpp index 2bd95b2..1f80e36 100644 --- a/content/math/transforms/fft.cpp +++ b/content/math/transforms/fft.cpp @@ -1,7 +1,7 @@ using cplx = complex<double>; void fft(vector<cplx>& a, bool inv = false) { - int n = sz(a); + int n = ssize(a); for (int i = 0, j = 1; j < n - 1; ++j) { for (int k = n >> 1; k > (i ^= k); k >>= 1); if (j < i) swap(a[i], a[j]); diff --git a/content/math/transforms/fftMul.cpp b/content/math/transforms/fftMul.cpp index 660ed79..da6a538 100644 --- a/content/math/transforms/fftMul.cpp +++ b/content/math/transforms/fftMul.cpp @@ -1,8 +1,8 @@ vector<cplx> mul(vector<ll>& a, vector<ll>& b) { - int n = 1 << (__lg(sz(a) + sz(b) - 1) + 1); - vector<cplx> c(all(a)), d(n); + int n = 1 << (__lg(ssize(a) + ssize(b) - 1) + 1); + vector<cplx> c(begin(a), end(a)), d(n); c.resize(n); - for (int i = 0; i < sz(b); i++) c[i] = {real(c[i]), b[i]}; + for (int i = 0; i < ssize(b); i++) c[i] = {real(c[i]), b[i]}; fft(c); for (int i = 0; i < n; i++) { int j = (n - i) & (n - 1); diff --git a/content/math/transforms/multiplyBitwise.cpp b/content/math/transforms/multiplyBitwise.cpp index f7cf169..5275b8c 100644 --- a/content/math/transforms/multiplyBitwise.cpp +++ b/content/math/transforms/multiplyBitwise.cpp @@ -1,5 +1,5 @@ vector<ll> mul(vector<ll> a, vector<ll> b) { - int n = 1 << (__lg(2 * max(sz(a), sz(b)) - 1)); + int n = 1 << (__lg(2 * max(ssize(a), ssize(b)) - 1)); a.resize(n), b.resize(n); bitwiseConv(a), bitwiseConv(b); for (int i=0; i<n; i++) a[i] *= b[i]; // MOD? diff --git a/content/math/transforms/multiplyFFT.cpp b/content/math/transforms/multiplyFFT.cpp index 0022d1f..963be94 100644 --- a/content/math/transforms/multiplyFFT.cpp +++ b/content/math/transforms/multiplyFFT.cpp @@ -1,6 +1,6 @@ vector<ll> mul(vector<ll>& a, vector<ll>& b) { - int n = 1 << (__lg(sz(a) + sz(b) - 1) + 1); - vector<cplx> a2(all(a)), b2(all(b)); + int n = 1 << (__lg(ssize(a) + ssize(b) - 1) + 1); + vector<cplx> a2(begin(a), end(a)), b2(begin(b), end(b)); a2.resize(n), b2.resize(n); fft(a2), fft(b2); for (int i=0; i<n; i++) a2[i] *= b2[i]; diff --git a/content/math/transforms/multiplyNTT.cpp b/content/math/transforms/multiplyNTT.cpp index 806d124..aec2a61 100644 --- a/content/math/transforms/multiplyNTT.cpp +++ b/content/math/transforms/multiplyNTT.cpp @@ -1,5 +1,5 @@ vector<ll> mul(vector<ll> a, vector<ll> b) { - int n = 1 << (__lg(sz(a) + sz(b) - 1) + 1); + int n = 1 << (__lg(ssize(a) + ssize(b) - 1) + 1); a.resize(n), b.resize(n); ntt(a), ntt(b); for (int i=0; i<n; i++) a[i] = a[i] * b[i] % mod; diff --git a/content/math/transforms/ntt.cpp b/content/math/transforms/ntt.cpp index ca605d3..fc7874e 100644 --- a/content/math/transforms/ntt.cpp +++ b/content/math/transforms/ntt.cpp @@ -1,7 +1,7 @@ constexpr ll mod = 998244353, root = 3; void ntt(vector<ll>& a, bool inv = false) { - int n = sz(a); + int n = ssize(a); auto b = a; ll r = inv ? powMod(root, mod - 2, mod) : root; diff --git a/content/math/transforms/orTransform.cpp b/content/math/transforms/orTransform.cpp index eb1da44..d0122bf 100644 --- a/content/math/transforms/orTransform.cpp +++ b/content/math/transforms/orTransform.cpp @@ -1,5 +1,5 @@ void fft(vector<ll>& a, bool inv = false) { - int n = sz(a); + int n = ssize(a); for (int s = 1; s < n; s *= 2) { for (int i = 0; i < n; i += 2 * s) { for (int j = i; j < i + s; j++) { diff --git a/content/math/transforms/seriesOperations.cpp b/content/math/transforms/seriesOperations.cpp index b405698..3d8aa11 100644 --- a/content/math/transforms/seriesOperations.cpp +++ b/content/math/transforms/seriesOperations.cpp @@ -17,7 +17,7 @@ vector<ll> poly_inv(const vector<ll>& a, int n) { } vector<ll> poly_deriv(vector<ll> a) { - for (int i = 1; i < sz(a); i++) + for (int i = 1; i < ssize(a); i++) a[i-1] = a[i] * i % mod; a.pop_back(); return a; @@ -25,11 +25,11 @@ vector<ll> poly_deriv(vector<ll> a) { vector<ll> poly_integr(vector<ll> a) { static vector<ll> inv = {0, 1}; - for (static int i = 2; i <= sz(a); i++) + for (static int i = 2; i <= ssize(a); i++) inv.push_back(mod - mod / i * inv[mod % i] % mod); a.push_back(0); - for (int i = sz(a) - 1; i > 0; i--) + for (int i = ssize(a) - 1; i > 0; i--) a[i] = a[i-1] * inv[i] % mod; a[0] = 0; return a; @@ -46,7 +46,7 @@ vector<ll> poly_exp(vector<ll> a, int n) { for (int len = 1; len < n; len *= 2) { vector<ll> p = poly_log(q, 2*len); for (int i = 0; i < 2*len; i++) - p[i] = (mod - p[i] + (i < sz(a) ? a[i] : 0)) % mod; + p[i] = (mod - p[i] + (i < ssize(a) ? a[i] : 0)) % mod; vector<ll> q2 = q; q2.resize(2*len); ntt(p), ntt(q2); diff --git a/content/math/transforms/xorTransform.cpp b/content/math/transforms/xorTransform.cpp index f9d1d82..075aac3 100644 --- a/content/math/transforms/xorTransform.cpp +++ b/content/math/transforms/xorTransform.cpp @@ -1,5 +1,5 @@ void fft(vector<ll>& a, bool inv = false) { - int n = sz(a); + int n = ssize(a); for (int s = 1; s < n; s *= 2) { for (int i = 0; i < n; i += 2 * s) { for (int j = i; j < i + s; j++) { diff --git a/content/other/fastSubsetSum.cpp b/content/other/fastSubsetSum.cpp index 84396f6..38a84b6 100644 --- a/content/other/fastSubsetSum.cpp +++ b/content/other/fastSubsetSum.cpp @@ -1,11 +1,11 @@ int fastSubsetSum(vector<int> w, int t){ int a = 0, b = 0; - while(b < sz(w) && a + w[b] <= t) a += w[b++]; - if(b == sz(w)) return a; - int m = *max_element(all(w)); + while(b < ssize(w) && a + w[b] <= t) a += w[b++]; + if(b == ssize(w)) return a; + int m = *ranges::max_element(w); vector<int> dp(2*m, -1), old; dp[m+a-t] = b; - for(int i = b; i < sz(w); i++){ + for(int i = b; i < ssize(w); i++){ old = dp; for(int j = 0; j < m; j++){ dp[j+w[i]] = max(dp[j+w[i]], old[j]); @@ -18,4 +18,4 @@ int fastSubsetSum(vector<int> w, int t){ } for(a = t; dp[m+a-t] < 0; a--); return a; -}
\ No newline at end of file +} diff --git a/content/other/pbs.cpp b/content/other/pbs.cpp index f4db2fd..e6bfeac 100644 --- a/content/other/pbs.cpp +++ b/content/other/pbs.cpp @@ -7,7 +7,7 @@ while (true) { focus.emplace_back((low[i] + high[i]) / 2, i); }} if (focus.empty()) break; - sort(all(focus)); + ranges::sort(focus); // reset simulation for (int step = 0; auto [mid, i] : focus) { diff --git a/content/other/sos.cpp b/content/other/sos.cpp index 01bc44c..892a47c 100644 --- a/content/other/sos.cpp +++ b/content/other/sos.cpp @@ -1,6 +1,6 @@ vector<ll> res(in); -for (int i = 1; i < sz(res); i *= 2) { - for (int mask = 0; mask < sz(res); mask++){ +for (int i = 1; i < ssize(res); i *= 2) { + for (int mask = 0; mask < ssize(res); mask++){ if (mask & i) { res[mask] += res[mask ^ i]; }}} diff --git a/content/string/ahoCorasick.cpp b/content/string/ahoCorasick.cpp index c65e20a..d738961 100644 --- a/content/string/ahoCorasick.cpp +++ b/content/string/ahoCorasick.cpp @@ -4,7 +4,8 @@ struct AhoCorasick { int suffix = 0, ch, cnt = 0; array<int, ALPHABET_SIZE> nxt = {}; - vert(int p, int c): suffix(-p), ch(c) { fill(all(nxt), -1); } + vert(int p, int c): + suffix(-p), ch(c) { ranges::fill(nxt, -1); } }; vector<vert> aho = {{0, -1}}; @@ -13,7 +14,7 @@ struct AhoCorasick { for (auto c : s) { int idx = c - OFFSET; if (aho[v].nxt[idx] == -1) { - aho[v].nxt[idx] = sz(aho); + aho[v].nxt[idx] = ssize(aho); aho.emplace_back(v, idx); } v = aho[v].nxt[idx]; @@ -37,9 +38,9 @@ struct AhoCorasick { vector<vector<int>> adj; vector<ll> dp; void buildGraph() { - adj.resize(sz(aho)); - dp.assign(sz(aho), 0); - for (int i = 1; i < sz(aho); i++) { + adj.resize(ssize(aho)); + dp.assign(ssize(aho), 0); + for (int i = 1; i < ssize(aho); i++) { adj[getSuffix(i)].push_back(i); }} diff --git a/content/string/deBruijn.cpp b/content/string/deBruijn.cpp index e829137..545dde7 100644 --- a/content/string/deBruijn.cpp +++ b/content/string/deBruijn.cpp @@ -1,7 +1,7 @@ string deBruijn(int n, char mi = '0', char ma = '1') { string res, c(1, mi); do { - if (n % sz(c) == 0) res += c; + if (n % ssize(c) == 0) res += c; } while(next(c, n, mi, ma)); return res; } diff --git a/content/string/duval.cpp b/content/string/duval.cpp index 253bae1..de94ebd 100644 --- a/content/string/duval.cpp +++ b/content/string/duval.cpp @@ -1,8 +1,8 @@ vector<pair<int, int>> duval(const string& s) { vector<pair<int, int>> res; - for (int i = 0; i < sz(s);) { + for (int i = 0; i < ssize(s);) { int j = i + 1, k = i; - for (; j < sz(s) && s[k] <= s[j]; j++) { + for (; j < ssize(s) && s[k] <= s[j]; j++) { if (s[k] < s[j]) k = i; else k++; } @@ -15,5 +15,5 @@ vector<pair<int, int>> duval(const string& s) { int minrotation(const string& s) { auto parts = duval(s+s); for (auto [l, r] : parts) { - if (r >= sz(s)) return l; + if (r >= ssize(s)) return l; }} diff --git a/content/string/kmp.cpp b/content/string/kmp.cpp index 421479e..a354aa7 100644 --- a/content/string/kmp.cpp +++ b/content/string/kmp.cpp @@ -1,7 +1,7 @@ vector<int> kmpPreprocessing(const string& sub) { - vector<int> b(sz(sub) + 1); + vector<int> b(ssize(sub) + 1); b[0] = -1; - for (int i = 0, j = -1; i < sz(sub);) { + for (int i = 0, j = -1; i < ssize(sub);) { while (j >= 0 && sub[i] != sub[j]) j = b[j]; b[++i] = ++j; } @@ -9,10 +9,10 @@ vector<int> kmpPreprocessing(const string& sub) { } vector<int> kmpSearch(const string& s, const string& sub) { vector<int> result, pre = kmpPreprocessing(sub); - for (int i = 0, j = 0; i < sz(s);) { + for (int i = 0, j = 0; i < ssize(s);) { while (j >= 0 && s[i] != sub[j]) j = pre[j]; i++; j++; - if (j == sz(sub)) { + if (j == ssize(sub)) { result.push_back(i - j); j = pre[j]; }} diff --git a/content/string/longestCommonSubsequence.cpp b/content/string/longestCommonSubsequence.cpp index 6c9ea44..14ca62c 100644 --- a/content/string/longestCommonSubsequence.cpp +++ b/content/string/longestCommonSubsequence.cpp @@ -1,12 +1,12 @@ string lcss(const string& a, const string& b) { - vector<vector<int>> m(sz(a) + 1, vector<int>(sz(b) + 1)); - for (int i = sz(a) - 1; i >= 0; i--) { - for (int j = sz(b) - 1; j >= 0; j--) { + vector<vector<int>> m(ssize(a) + 1, vector<int>(ssize(b) + 1)); + for (int i = ssize(a) - 1; i >= 0; i--) { + for (int j = ssize(b) - 1; j >= 0; j--) { if (a[i] == b[j]) m[i][j] = 1 + m[i+1][j+1]; else m[i][j] = max(m[i+1][j], m[i][j+1]); }} // Für die Länge: return m[0][0]; string res; - for (int j = 0, i = 0; j < sz(b) && i < sz(a);) { + for (int j = 0, i = 0; j < ssize(b) && i < ssize(a);) { if (a[i] == b[j]) res += a[i++], j++; else if (m[i][j+1] > m[i+1][j]) j++; else i++; diff --git a/content/string/lyndon.cpp b/content/string/lyndon.cpp index e44379b..cb477d4 100644 --- a/content/string/lyndon.cpp +++ b/content/string/lyndon.cpp @@ -1,5 +1,5 @@ bool next(string& s, int maxLen, char mi = '0', char ma = '1') { - for (int i = sz(s), j = sz(s); i < maxLen; i++) + for (int i = ssize(s), j = ssize(s); i < maxLen; i++) s.push_back(s[i % j]); while(!s.empty() && s.back() == ma) s.pop_back(); if (s.empty()) { diff --git a/content/string/manacher.cpp b/content/string/manacher.cpp index 112bd55..9fa2991 100644 --- a/content/string/manacher.cpp +++ b/content/string/manacher.cpp @@ -1,9 +1,9 @@ vector<int> manacher(const string& t) { //transforms "aa" to ".a.a." to find even length palindromes - string s(sz(t) * 2 + 1, '.'); - for (int i = 0; i < sz(t); i++) s[2 * i + 1] = t[i]; + string s(ssize(t) * 2 + 1, '.'); + for (int i = 0; i < ssize(t); i++) s[2 * i + 1] = t[i]; - int mid = 0, r = 0, n = sz(s); + int mid = 0, r = 0, n = ssize(s); vector<int> pal(n); for (int i = 1; i < n - 1; i++) { if (r > i) pal[i] = min(r - i, pal[2 * mid - i]); diff --git a/content/string/suffixArray.cpp b/content/string/suffixArray.cpp index 0e301b2..c49bdc9 100644 --- a/content/string/suffixArray.cpp +++ b/content/string/suffixArray.cpp @@ -4,19 +4,19 @@ struct SuffixArray { vector<int> SA, LCP; vector<vector<int>> P; - SuffixArray(const string& s) : n(sz(s)), SA(n), LCP(n), + SuffixArray(const string& s) : n(ssize(s)), SA(n), LCP(n), P(__lg(2 * n - 1) + 1, vector<int>(n)) { - P[0].assign(all(s)); - iota(all(SA), 0); - sort(all(SA), [&](int a, int b) { return s[a] < s[b]; }); + P[0].assign(begin(s), end(s)); + iota(begin(SA), end(SA), 0); + ranges::sort(SA, {}, [&](int x) { return s[x]; }); vector<int> x(n); for (int k = 1, c = 1; c < n; k++, c *= 2) { - iota(all(x), n - c); + iota(begin(x), end(x), n - c); for (int ptr = c; int i : SA) if (i >= c) x[ptr++] = i - c; vector<int> cnt(k == 1 ? MAX_CHAR : n); for (int i : P[k-1]) cnt[i]++; - partial_sum(all(cnt), begin(cnt)); + partial_sum(begin(cnt), end(cnt), begin(cnt)); for (int i : x | views::reverse) SA[--cnt[P[k-1][i]]] = i; auto p = [&](int i) { return i < n ? P[k-1][i] : -1; }; @@ -31,7 +31,7 @@ struct SuffixArray { int lcp(int x, int y) { if (x == y) return n - x; int res = 0; - for (int i = sz(P) - 1; i >= 0 && max(x, y) + res < n; i--) { + for (int i = ssize(P) - 1; i >= 0 && max(x, y) + res < n; i--) { if (P[i][x + res] == P[i][y + res]) res |= 1 << i; } return res; diff --git a/content/string/suffixAutomaton.cpp b/content/string/suffixAutomaton.cpp index d81a05d..f9aa80b 100644 --- a/content/string/suffixAutomaton.cpp +++ b/content/string/suffixAutomaton.cpp @@ -4,20 +4,20 @@ struct SuffixAutomaton { struct State { int len, link = -1; array<int, ALPHABET_SIZE> nxt; // map if large Alphabet - State(int l): len(l) { fill(all(nxt), -1); } + State(int l): len(l) { ranges::fill(nxt, -1); } }; vector<State> st = {State(0)}; int cur = 0; SuffixAutomaton(const string& s) { - st.reserve(2 * sz(s)); + st.reserve(2 * ssize(s)); for (auto c : s) extend(c - OFFSET); } void extend(int c) { int p = cur; - cur = sz(st); + cur = ssize(st); st.emplace_back(st[p].len + 1); for (; p != -1 && st[p].nxt[c] < 0; p = st[p].link) { st[p].nxt[c] = cur; @@ -33,9 +33,9 @@ struct SuffixAutomaton { st.back().link = st[q].link; st.back().nxt = st[q].nxt; for (; p != -1 && st[p].nxt[c] == q; p = st[p].link) { - st[p].nxt[c] = sz(st) - 1; + st[p].nxt[c] = ssize(st) - 1; } - st[q].link = st[cur].link = sz(st) - 1; + st[q].link = st[cur].link = ssize(st) - 1; }}} vector<int> calculateTerminals() { @@ -49,7 +49,7 @@ struct SuffixAutomaton { // Pair with start index (in t) and length of LCS. pair<int, int> longestCommonSubstring(const string& t) { int v = 0, l = 0, best = 0, bestp = -1; - for (int i = 0; i < sz(t); i++) { + for (int i = 0; i < ssize(t); i++) { int c = t[i] - OFFSET; while (v > 0 && st[v].nxt[c] < 0) { v = st[v].link; diff --git a/content/string/suffixTree.cpp b/content/string/suffixTree.cpp index 7112f39..6362c3e 100644 --- a/content/string/suffixTree.cpp +++ b/content/string/suffixTree.cpp @@ -11,12 +11,12 @@ struct SuffixTree { SuffixTree(const string& s_) : s(s_) { needsSuffix = remainder = curVert = curEdge = curLen = 0; pos = -1; - for (int i = 0; i < sz(s); i++) extend(); + for (int i = 0; i < ssize(s); i++) extend(); } int newVert(int start, int end) { tree.push_back({start, end, 0, {}}); - return sz(tree) - 1; + return ssize(tree) - 1; } void addSuffixLink(int vert) { @@ -42,7 +42,7 @@ struct SuffixTree { while (remainder) { if (curLen == 0) curEdge = pos; if (!tree[curVert].nxt.count(s[curEdge])) { - int leaf = newVert(pos, sz(s)); + int leaf = newVert(pos, ssize(s)); tree[curVert].nxt[s[curEdge]] = leaf; addSuffixLink(curVert); } else { @@ -56,7 +56,7 @@ struct SuffixTree { int split = newVert(tree[nxt].start, tree[nxt].start + curLen); tree[curVert].nxt[s[curEdge]] = split; - int leaf = newVert(pos, sz(s)); + int leaf = newVert(pos, ssize(s)); tree[split].nxt[s[pos]] = leaf; tree[nxt].start += curLen; tree[split].nxt[s[tree[nxt].start]] = nxt; @@ -69,4 +69,4 @@ struct SuffixTree { } else { curVert = tree[curVert].suf ? tree[curVert].suf : 0; }}} -};
\ No newline at end of file +}; diff --git a/content/string/trie.cpp b/content/string/trie.cpp index d5e092c..db39c43 100644 --- a/content/string/trie.cpp +++ b/content/string/trie.cpp @@ -3,7 +3,7 @@ constexpr int ALPHABET_SIZE = 2; struct node { int words, ends; array<int, ALPHABET_SIZE> nxt; - node(): words(0), ends(0) { fill(all(nxt), -1); } + node(): words(0), ends(0) { ranges::fill(nxt, -1); } }; vector<node> trie = {node()}; @@ -13,7 +13,7 @@ int traverse(const vector<int>& word, int x) { if (id < 0 || (trie[id].words == 0 && x <= 0)) return -1; trie[id].words += x; if (trie[id].nxt[c] < 0 && x > 0) { - trie[id].nxt[c] = sz(trie); + trie[id].nxt[c] = ssize(trie); trie.emplace_back(); } id = trie[id].nxt[c]; diff --git a/content/string/z.cpp b/content/string/z.cpp index 069fa38..0d8cafb 100644 --- a/content/string/z.cpp +++ b/content/string/z.cpp @@ -1,5 +1,5 @@ vector<int> Z(const string& s) { - int n = sz(s); + int n = ssize(s); vector<int> z(n); for (int i = 1, x = 0; i < n; i++) { z[i] = max(0, min(z[i - x], x + z[x] - i)); diff --git a/content/template/template.cpp b/content/template/template.cpp index 7430d23..7c92f09 100644 --- a/content/template/template.cpp +++ b/content/template/template.cpp @@ -1,17 +1,15 @@ #include <bits/stdc++.h> using namespace std; -#define tsolve int t; cin >> t; while(t--) solve -#define all(x) ::begin(x), ::end(x) -#define sz(x) (ll)::size(x) - +using ii = pair<int, int>; +using vi = vector<int>; using ll = long long; using ld = long double; -void solve() {} +void solve() { +} int main() { - cin.tie(0)->sync_with_stdio(false); - cout << setprecision(16); + cin.tie(0)->sync_with_stdio(0); solve(); } |