h=1

rainbou-kpr · Oct 5, 2024 · 7a177ab · 7a177ab
1 parent 362265b
commit 7a177ab
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Showing 2 changed files with 2 additions and 1 deletion.
diff --git a/compile_flags.txt b/compile_flags.txt
@@ -0,0 +1 @@
+-std=gnu++20
diff --git a/cpp/tree.hpp b/cpp/tree.hpp
@@ -374,7 +374,7 @@ struct DoublingClimbTree : private RootedTree<Cost> {
 private:
     void build() {
         int n = this->n;
-        h = 0;
+        h = 1;
         while((1 << h) < n) h++;
         doubling_par.assign(h, std::vector<int>(n, -1));
         for(int i = 0; i < n; i++) doubling_par[0][i] = this->par[i];