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Diffstat (limited to 'datastructures/fenwickTree2.cpp')
| -rw-r--r-- | datastructures/fenwickTree2.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/datastructures/fenwickTree2.cpp b/datastructures/fenwickTree2.cpp index ff87e2e..43c3a32 100644 --- a/datastructures/fenwickTree2.cpp +++ b/datastructures/fenwickTree2.cpp @@ -14,7 +14,7 @@ void init(vector<ll>& v) { } ll prefix_sum (int i) { - ll res = 0; i++; + ll res = 0; for (int ti = i; ti > 0; ti -= ti&(-ti)) res += add[ti] * i + mul[ti]; return res; |