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/scc.cpp | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 content/graph/scc.cpp (limited to 'content/graph/scc.cpp') diff --git a/content/graph/scc.cpp b/content/graph/scc.cpp new file mode 100644 index 0000000..ac9a40b --- /dev/null +++ b/content/graph/scc.cpp @@ -0,0 +1,32 @@ +vector> adj, sccs; +int counter; +vector inStack; +vector low, idx, s; //idx enthält Index der SCC pro Knoten. + +void visit(int v) { + int old = low[v] = counter++; + s.push_back(v); inStack[v] = true; + + for (auto u : adj[v]) { + if (low[u] < 0) visit(u); + if (inStack[u]) low[v] = min(low[v], low[u]); + } + + if (old == low[v]) { + sccs.push_back({}); + for (int u = -1; u != v;) { + u = s.back(); s.pop_back(); inStack[u] = false; + idx[u] = sz(sccs) - 1; + sccs.back().push_back(u); +}}} + +void scc() { + inStack.assign(sz(adj), false); + low.assign(sz(adj), -1); + idx.assign(sz(adj), -1); + sccs.clear(); + + counter = 0; + for (int i = 0; i < sz(adj); i++) { + if (low[i] < 0) visit(i); +}} -- cgit v1.2.3