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| author | mzuenni <mzuenni@users.noreply.github.com> | 2024-07-28 22:54:40 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-07-28 22:54:40 +0200 |
| commit | 8d11c6c8213f46f0fa19826917c255edd5d43cb1 (patch) | |
| tree | 96d75baff33d5a04b5a60f1a41f514a26c716874 /content/graph/virtualTree.cpp | |
| parent | 8c33b4e0d3030cfed17fc64b4fe41133339f6d87 (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/graph/virtualTree.cpp')
| -rw-r--r-- | content/graph/virtualTree.cpp | 22 |
1 files changed, 22 insertions, 0 deletions
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<int> in, out; + +void virtualTree(vector<int> 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<vector<int>> tree(n); + vector<int> 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 +} |