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/articulationPoints.cpp | 43 ++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 content/graph/articulationPoints.cpp (limited to 'content/graph/articulationPoints.cpp') diff --git a/content/graph/articulationPoints.cpp b/content/graph/articulationPoints.cpp new file mode 100644 index 0000000..25ff67e --- /dev/null +++ b/content/graph/articulationPoints.cpp @@ -0,0 +1,43 @@ +vector> adj; +vector num; +int counter, rootCount, root; +vector isArt; +vector bridges, st; +vector> bcc; + +int dfs(int v, int from = -1) { + int me = num[v] = ++counter, top = me; + for (Edge& e : adj[v]) { + if (e.id == from) continue; + if (num[e.to]) { + top = min(top, num[e.to]); + if (num[e.to] < me) st.push_back(e); + } else { + if (v == root) rootCount++; + int si = sz(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)); + st.resize(si); + }}} + return top; +} + +void find() { + counter = 0; + num.assign(sz(adj), 0); + isArt.assign(sz(adj), false); + bridges.clear(); + st.clear(); + bcc.clear(); + for (int v = 0; v < sz(adj); v++) { + if (!num[v]) { + root = v; + rootCount = 0; + dfs(v); + isArt[v] = rootCount > 1; +}}} -- cgit v1.2.3