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/2sat.cpp | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 content/graph/2sat.cpp (limited to 'content/graph/2sat.cpp') diff --git a/content/graph/2sat.cpp b/content/graph/2sat.cpp new file mode 100644 index 0000000..75e54e6 --- /dev/null +++ b/content/graph/2sat.cpp @@ -0,0 +1,31 @@ +struct sat2 { + int n; // + scc variablen + vector sol; + + sat2(int vars) : n(vars*2), adj(n) {} + + static int var(int i) {return i << 1;} // use this! + + void addImpl(int a, int b) { + adj[a].push_back(b); + adj[1^b].push_back(1^a); + } + void addEquiv(int a, int b) {addImpl(a, b); addImpl(b, a);} + void addOr(int a, int b) {addImpl(1^a, b);} + void addXor(int a, int b) {addOr(a, b); addOr(1^a, 1^b);} + void addTrue(int a) {addImpl(1^a, a);} + void addFalse(int a) {addTrue(1^a);} + void addAnd(int a, int b) {addTrue(a); addTrue(b);} + void addNand(int a, int b) {addOr(1^a, 1^b);} + + bool solve() { + scc(); //scc code von oben + sol.assign(n, -1); + for (int i = 0; i < n; i += 2) { + if (idx[i] == idx[i + 1]) return false; + sol[i] = idx[i] < idx[i + 1]; + sol[i + 1] = !sol[i]; + } + return true; + } +}; -- cgit v1.2.3