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/string/trie.cpp | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 content/string/trie.cpp (limited to 'content/string/trie.cpp') diff --git a/content/string/trie.cpp b/content/string/trie.cpp new file mode 100644 index 0000000..03cf947 --- /dev/null +++ b/content/string/trie.cpp @@ -0,0 +1,35 @@ +// Zahlenwerte müssen bei 0 beginnen und zusammenhängend sein. +constexpr int ALPHABET_SIZE = 2; +struct node { + int words, ends; + array nxt; + node() : words(0), ends(0) {fill(all(nxt), -1);} +}; +vector trie = {node()}; + +int traverse(const vector& word, int x) { + int id = 0; + for (int c : word) { + if (id < 0 || (trie[id].words == 0 && x <= 0)) return -1; + trie[id].words += x; + if (trie[id].nxt[c] < 0 && x > 0) { + trie[id].nxt[c] = sz(trie); + trie.emplace_back(); + } + id = trie[id].nxt[c]; + } + trie[id].words += x; + trie[id].ends += x; + return id; +} + +int insert(const vector& word) { + return traverse(word, 1); +} + +bool erase(const vector& word) { + int id = traverse(word, 0); + if (id < 0 || trie[id].ends <= 0) return false; + traverse(word, -1); + return true; +} -- cgit v1.2.3