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/math/primeSieve.cpp | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) create mode 100644 content/math/primeSieve.cpp (limited to 'content/math/primeSieve.cpp') diff --git a/content/math/primeSieve.cpp b/content/math/primeSieve.cpp new file mode 100644 index 0000000..1b0f514 --- /dev/null +++ b/content/math/primeSieve.cpp @@ -0,0 +1,16 @@ +constexpr ll N = 100'000'000; +bitset isNotPrime; +vector primes = {2}; + +bool isPrime(ll x) { + if (x < 2 || x % 2 == 0) return x == 2; + else return !isNotPrime[x / 2]; +} + +void primeSieve() { + for (ll i = 3; i < N; i += 2) {// i * i < N reicht für isPrime + if (!isNotPrime[i / 2]) { + primes.push_back(i); // optional + for (ll j = i * i; j < N; j+= 2 * i) { + isNotPrime[j / 2] = 1; +}}}} -- cgit v1.2.3