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/rho.cpp | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 content/math/rho.cpp (limited to 'content/math/rho.cpp') diff --git a/content/math/rho.cpp b/content/math/rho.cpp new file mode 100644 index 0000000..ad640cd --- /dev/null +++ b/content/math/rho.cpp @@ -0,0 +1,19 @@ +using lll = __int128; +ll rho(ll n) { // Findet Faktor < n, nicht unbedingt prim. + if (n % 2 == 0) return 2; + ll x = 0, y = 0, prd = 2, i = n/2 + 7; + auto f = [&](lll c){return (c * c + i) % n;}; + for (ll t = 30; t % 40 || gcd(prd, n) == 1; t++) { + if (x == y) x = ++i, y = f(x); + if (ll q = (lll)prd * abs(x-y) % n; q) prd = q; + x = f(x); y = f(f(y)); + } + return gcd(prd, n); +} + +void factor(ll n, map& facts) { + if (n == 1) return; + if (isPrime(n)) {facts[n]++; return;} + ll f = rho(n); + factor(n / f, facts); factor(f, facts); +} -- cgit v1.2.3