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authormzuenni <mzuenni@users.noreply.github.com>2024-07-28 22:54:40 +0200
committerGitHub <noreply@github.com>2024-07-28 22:54:40 +0200
commit8d11c6c8213f46f0fa19826917c255edd5d43cb1 (patch)
tree96d75baff33d5a04b5a60f1a41f514a26c716874 /graph/minCostMaxFlow.cpp
parent8c33b4e0d3030cfed17fc64b4fe41133339f6d87 (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 'graph/minCostMaxFlow.cpp')
-rw-r--r--graph/minCostMaxFlow.cpp66
1 files changed, 0 insertions, 66 deletions
diff --git a/graph/minCostMaxFlow.cpp b/graph/minCostMaxFlow.cpp
deleted file mode 100644
index 14a222c..0000000
--- a/graph/minCostMaxFlow.cpp
+++ /dev/null
@@ -1,66 +0,0 @@
-constexpr ll INF = 1LL << 60; // Größer als der maximale Fluss.
-struct MinCostFlow {
- struct edge {
- int to;
- ll f, cost;
- };
- vector<edge> edges;
- vector<vector<int>> adj;
- vector<int> pref, con;
- vector<ll> dist;
- const int s, t;
- ll maxflow, mincost;
-
- MinCostFlow(int n, int source, int target) :
- adj(n), s(source), t(target) {};
-
- void addEdge(int u, int v, ll c, ll cost) {
- adj[u].push_back(sz(edges));
- edges.push_back({v, c, cost});
- adj[v].push_back(sz(edges));
- edges.push_back({u, 0, -cost});
- }
-
- bool SPFA() {
- pref.assign(sz(adj), -1);
- dist.assign(sz(adj), INF);
- vector<bool> inqueue(sz(adj));
- queue<int> queue;
- dist[s] = 0;
- queue.push(s);
- pref[s] = s;
- inqueue[s] = true;
- while (!queue.empty()) {
- int cur = queue.front(); queue.pop();
- inqueue[cur] = false;
- for (int id : adj[cur]) {
- int to = edges[id].to;
- if (edges[id].f > 0 &&
- dist[to] > dist[cur] + edges[id].cost) {
- dist[to] = dist[cur] + edges[id].cost;
- pref[to] = cur;
- con[to] = id;
- if (!inqueue[to]) {
- inqueue[to] = true;
- queue.push(to);
- }}}}
- return pref[t] != -1;
- }
-
- void extend() {
- ll w = INF;
- for (int u = t; pref[u] != u; u = pref[u])
- w = min(w, edges[con[u]].f);
- maxflow += w;
- mincost += dist[t] * w;
- for (int u = t; pref[u] != u; u = pref[u]) {
- edges[con[u]].f -= w;
- edges[con[u] ^ 1].f += w;
- }}
-
- void mincostflow() {
- con.assign(sz(adj), 0);
- maxflow = mincost = 0;
- while (SPFA()) extend();
- }
-};