Problem	prefixsums
User	Xiwen
Submission Time	2025-11-13 17:45:39
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

prefixsums.cpp: In function ‘int main()’:
prefixsums.cpp:9:28: error: conflicting declaration ‘std::vector<std::vector<long long int> > Q’
9 | vector<vector<long long>> Q;
| ^
prefixsums.cpp:6:15: note: previous declaration as ‘long long int Q’
6 | long long N, Q;
| ^
prefixsums.cpp:17:14: error: invalid types ‘long long int[long long int]’ for array subscript
17 | cin >> Q[j][k];
| ^
prefixsums.cpp:22:20: error: invalid types ‘long long int[long long int]’ for array subscript
22 | long long l = Q[a][0];
| ^
prefixsums.cpp:23:20: error: invalid types ‘long long int[long long int]’ for array subscript
23 | long long r = Q[a][1];
| ^