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1 parent e7de6ce commit 4f67c72Copy full SHA for 4f67c72
library/trees/extra_members/compress_tree.hpp
@@ -13,8 +13,8 @@
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array<vi, 2> compress_tree(vi subset) {
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auto proj = [&](int v) { return in[v]; };
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ranges::sort(subset, {}, proj);
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- int siz = sz(subset);
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- rep(i, 1, siz)
+ int len = sz(subset);
+ rep(i, 1, len)
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subset.push_back(lca(subset[i - 1], subset[i]));
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subset.erase(unique(all(subset)), end(subset));
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