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/virtualTree.cpp | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 content/graph/virtualTree.cpp (limited to 'content/graph/virtualTree.cpp') diff --git a/content/graph/virtualTree.cpp b/content/graph/virtualTree.cpp new file mode 100644 index 0000000..27d2d6c --- /dev/null +++ b/content/graph/virtualTree.cpp @@ -0,0 +1,22 @@ +// needs dfs in- and out- time and lca function +vector in, out; + +void virtualTree(vector ind) { // indices of used nodes + sort(all(ind), [&](int x, int y) {return in[x] < in[y];}); + for (int i = 0, n = sz(ind); i < n - 1; i++) { + ind.push_back(lca(ind[i], ind[i + 1])); + } + sort(all(ind), [&](int x, int y) {return in[x] < in[y];}); + ind.erase(unique(all(ind)), ind.end()); + + int n = ind.size(); + vector> tree(n); + vector st = {0}; + for (int i = 1; i < n; i++) { + while (in[ind[i]] >= out[ind[st.back()]]) st.pop_back(); + tree[st.back()].push_back(i); + st.push_back(i); + } + // virtual directed tree with n nodes, original indices in ind + // weights can be calculated, e.g. with binary lifting +} -- cgit v1.2.3