Problem	prefixsums
User	Z2077
Submission Time	2025-06-17 16:36:06
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

prefixsums.cpp: In function ‘int main()’:
prefixsums.cpp:10:27: error: ‘y’ was not declared in this scope
10 | vector<int> A(N + 1); y
| ^
prefixsums.cpp:16:9: error: ‘prefixSum’ was not declared in this scope
16 | prefixSum[i] = prefixSum[i - 1] + A[i];
| ^~~~~~~~~
prefixsums.cpp:24:25: error: ‘prefixSum’ was not declared in this scope
24 | long long sum = prefixSum[r] - prefixSum[l - 1];
| ^~~~~~~~~