diff options
| author | mzuenni <mzuenni@users.noreply.github.com> | 2024-07-28 22:54:40 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-07-28 22:54:40 +0200 |
| commit | 8d11c6c8213f46f0fa19826917c255edd5d43cb1 (patch) | |
| tree | 96d75baff33d5a04b5a60f1a41f514a26c716874 /datastructures/lazyPropagation.cpp | |
| parent | 8c33b4e0d3030cfed17fc64b4fe41133339f6d87 (diff) | |
Test (#4)
* update
* moved content in subdir
* rename file
* add test setup
* add test setup
* add github action
* automaticly test all cpp files
* timeout after 10s
* setulimit and dont zero memory
* test build pdf
* install latexmk
* update
* update
* ngerman
* fonts
* removed old code
* add first test
* added tests
* test in sorted order
* more tests
* simplified test
* more tests
* fix suffix tree
* fixes and improvements
* done ust lst directly
* fix swap
* add links to pdf
* fix constants
* add primorial
* add comment
* various improvements
* more tests
* added missing stuf
* more tests
* fix tests
* more tests
* more tests
* more tests
* fix recursion?
* test trie
* more tests
* only use python temporarily for listings
* only use python temporarily for listings
* more tests
* fix longestCommonSubstring
* more tests
* more tests
* made code more similiar
* fix?
* more tests
* more tests
* more tests
* add ahoCorasick test + limit 4GB stack size
* more tests
* fix test
* add additional test
* more tests
* more tests
* fix?
* better fix
* fix virtual tree
* more tests
* more tests
* recursive closest pair
* more tests
* decrease limit
* new tests
* more tests
* fix name
* more tests
* add test
* new test
* more tests
* more tests
* more tests
* more tests
* new test and content
* new code
* new code
* larger tests
* fix and test
* new test
* new test
* update pdf
* remove comments
* new test
* more tests
* more testcases
* more tests
* increased limit
* more tests
* more tests
* more tests
* new tests
* more tests
* shortened code
* new test
* add basic tests for bigint
* more tests
* removed old files
* new test
* ignore some files
* more auto more ccw
* fix test
* more tests
* fix
* new tests
* more tests
* more tests
* stronger test
* actually verify delaunay...
* more tests
* fix header
* more tests
* run tests parallel?
* test parralel?
* add --missing
* separate workflows
* test
* is the pdf checked?
* separate workflows
* fix workflow
* more workflows
---------
Co-authored-by: Yidi <noob999noob999@gmail.com>
Diffstat (limited to 'datastructures/lazyPropagation.cpp')
| -rw-r--r-- | datastructures/lazyPropagation.cpp | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/datastructures/lazyPropagation.cpp b/datastructures/lazyPropagation.cpp deleted file mode 100644 index 0fe7bbe..0000000 --- a/datastructures/lazyPropagation.cpp +++ /dev/null @@ -1,83 +0,0 @@ -struct SegTree { - using T = ll; using U = ll; - int n, h; - static constexpr T E = 0; // Neutral element for combine - static constexpr U UF = 0; // Unused value by updates - vector<T> tree; vector<U> lazy; - vector<ll> k; // size of segments (optional) - - SegTree(const vector<T>& a) : n(sz(a) + 1), tree(2 * n, E), - //SegTree(int size, T def = E) : n(size + 1), tree(2 * n, def), - h(__lg(2 * n)), lazy(n, UF), k(2 * n, 1) { - copy(all(a), tree.begin() + n); - for (int i = n - 1; i > 0; i--) { - k[i] = 2 * k[2 * i]; - tree[i] = comb(tree[2 * i], tree[2 * i + 1]); - }} - - T comb(T a, T b) {return a + b;} // Modify this + E - - void apply(int i, U val) { // And this + UF - tree[i] = val * k[i]; - if (i < n) lazy[i] = val; // Don't forget this - } - - void push_down(int i) { - if (lazy[i] != UF) { - apply(2 * i, lazy[i]); - apply(2 * i + 1, lazy[i]); - lazy[i] = UF; - }} - - void push(int i) { - for (int s = h; s > 0; s--) push_down(i >> s); - } - - void build(int i) { - while (i /= 2) { - push_down(i); - tree[i] = comb(tree[2 * i], tree[2 * i + 1]); - }} - - void update(int l, int r, U val) { - l += n, r += n; - int l0 = l, r0 = r; - push(l0), push(r0 - 1); - for (; l < r; l /= 2, r /= 2) { - if (l&1) apply(l++, val); - if (r&1) apply(--r, val); - } - build(l0), build(r0 - 1); - } - - T query(int l, int r) { - l += n, r += n; - push(l), push(r - 1); - T resL = E, resR = E; - for (; l < r; l /= 2, r /= 2) { - if (l&1) resL = comb(resL, tree[l++]); - if (r&1) resR = comb(tree[--r], resR); - } - return comb(resL, resR); - } - - // Optional: - ll lower_bound(int l, int r, T x) { - l += n, r += n; - push(l), push(r - 1); - int a[64] = {}, lp = 0, rp = 64; - for (; l < r; l /= 2, r /= 2) { - if (l&1) a[lp++] = l++; - if (r&1) a[--rp] = --r; - } - for (int i : a) if (i != 0 && tree[i] >= x) { // Modify this - while (i < n) { - push_down(i); - if (tree[2 * i] >= x) i = 2 * i; // And this - else i = 2 * i + 1; - } - return i - n; - } - return -1; - } -}; |
