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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/stoerWagner.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/stoerWagner.cpp')
-rw-r--r--graph/stoerWagner.cpp53
1 files changed, 0 insertions, 53 deletions
diff --git a/graph/stoerWagner.cpp b/graph/stoerWagner.cpp
deleted file mode 100644
index 97e667a..0000000
--- a/graph/stoerWagner.cpp
+++ /dev/null
@@ -1,53 +0,0 @@
-struct Edge {
- int from, to;
- ll cap;
-};
-
-vector<vector<Edge>> adj, tmp;
-vector<bool> erased;
-
-void merge(int u, int v) {
- tmp[u].insert(tmp[u].end(), all(tmp[v]));
- tmp[v].clear();
- erased[v] = true;
- for (auto& vec : tmp) {
- for (Edge& e : vec) {
- if (e.from == v) e.from = u;
- if (e.to == v) e.to = u;
-}}}
-
-ll stoer_wagner() {
- ll res = INF;
- tmp = adj;
- erased.assign(sz(tmp), false);
- for (int i = 1; i < sz(tmp); i++) {
- int s = 0;
- while (erased[s]) s++;
- priority_queue<pair<ll, int>> pq;
- pq.push({0, s});
- vector<ll> con(sz(tmp));
- ll cur = 0;
- vector<pair<ll, int>> state;
- while (!pq.empty()) {
- int c = pq.top().second;
- pq.pop();
- if (con[c] < 0) continue; //already seen
- con[c] = -1;
- for (auto e : tmp[c]) {
- if (con[e.to] >= 0) {//add edge to cut
- con[e.to] += e.cap;
- pq.push({con[e.to], e.to});
- cur += e.cap;
- } else if (e.to != c) {//remove edge from cut
- cur -= e.cap;
- }}
- state.push_back({cur, c});
- }
- int t = state.back().second;
- state.pop_back();
- if (state.empty()) return 0; //graph is not connected?!
- merge(state.back().second, t);
- res = min(res, state.back().first);
- }
- return res;
-}