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Update segment_tree_v2.cpp

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Anthony Wang 2020-01-06 18:38:57 -06:00
parent c034778615
commit fbe807c036
1 changed files with 1 additions and 1 deletions
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2
Data Structures/segment_tree_v2.cpp
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@ -67,7 +67,7 @@ public:
}
T query(int a, int b, int l = 0, int r = -1, int n = 1) {
if (r == -1) r = N - 1;
if (l > b || r < a) return 0;
if (a > b || l > b || r < a) return 0;
push(l, r, n);
if (l >= a && r <= b) return seg[n];
int m = (l + r) >> 1;