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authormzuenni <mzuenni@users.noreply.github.com>2024-07-28 22:54:40 +0200
committerGitHub <noreply@github.com>2024-07-28 22:54:40 +0200
commit8d11c6c8213f46f0fa19826917c255edd5d43cb1 (patch)
tree96d75baff33d5a04b5a60f1a41f514a26c716874 /content/math/longestIncreasingSubsequence.cpp
parent8c33b4e0d3030cfed17fc64b4fe41133339f6d87 (diff)
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 <noob999noob999@gmail.com>
Diffstat (limited to 'content/math/longestIncreasingSubsequence.cpp')
-rw-r--r--content/math/longestIncreasingSubsequence.cpp17
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diff --git a/content/math/longestIncreasingSubsequence.cpp b/content/math/longestIncreasingSubsequence.cpp
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+vector<int> lis(vector<ll>& a) {
+ int n = sz(a), len = 0;
+ vector<ll> dp(n, INF), dp_id(n), prev(n);
+ for (int i = 0; i < n; i++) {
+ int pos = lower_bound(all(dp), a[i]) - dp.begin();
+ dp[pos] = a[i];
+ dp_id[pos] = i;
+ prev[i] = pos ? dp_id[pos - 1] : -1;
+ len = max(len, pos + 1);
+ }
+ // reconstruction
+ vector<int> res(len);
+ for (int x = dp_id[len-1]; len--; x = prev[x]) {
+ res[len] = x;
+ }
+ return res; // indices of one LIS
+}