From 8d11c6c8213f46f0fa19826917c255edd5d43cb1 Mon Sep 17 00:00:00 2001 From: mzuenni Date: Sun, 28 Jul 2024 22:54:40 +0200 Subject: 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 --- content/graph/maxWeightBipartiteMatching.cpp | 50 ++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 content/graph/maxWeightBipartiteMatching.cpp (limited to 'content/graph/maxWeightBipartiteMatching.cpp') diff --git a/content/graph/maxWeightBipartiteMatching.cpp b/content/graph/maxWeightBipartiteMatching.cpp new file mode 100644 index 0000000..a2b0a80 --- /dev/null +++ b/content/graph/maxWeightBipartiteMatching.cpp @@ -0,0 +1,50 @@ +double costs[N_LEFT][N_RIGHT]; + +// Es muss l<=r sein! (sonst Endlosschleife) +double match(int l, int r) { + vector lx(l), ly(r); + //xy is matching from l->r, yx from r->l, or -1 + vector xy(l, -1), yx(r, -1); + vector> slack(r); + + for (int x = 0; x < l; x++) + lx[x] = *max_element(costs[x], costs[x] + r); + for (int root = 0; root < l; root++) { + vector aug(r, -1); + vector s(l); + s[root] = true; + for (int y = 0; y < r; y++) { + slack[y] = {lx[root] + ly[y] - costs[root][y], root}; + } + int y = -1; + while (true) { + double delta = INF; + int x = -1; + for (int yy = 0; yy < r; yy++) { + if (aug[yy] < 0 && slack[yy].first < delta) { + tie(delta, x) = slack[yy]; + y = yy; + }} + if (delta > 0) { + for (int x = 0; x < l; x++) if (s[x]) lx[x] -= delta; + for (int y = 0; y < r; y++) { + if (aug[y] >= 0) ly[y] += delta; + else slack[y].first -= delta; + }} + aug[y] = x; + x = yx[y]; + if (x < 0) break; + s[x] = true; + for (int y = 0; y < r; y++) { + if (aug[y] < 0) { + double alt = lx[x] + ly[y] - costs[x][y]; + if (slack[y].first > alt) { + slack[y] = {alt, x}; + }}}} + while (y >= 0) { + yx[y] = aug[y]; + swap(y, xy[aug[y]]); + }} + return accumulate(all(lx), 0.0) + + accumulate(all(ly), 0.0); // Wert des Matchings +} -- cgit v1.2.3