Problem	prefixsums
User	aliceting2021
Submission Time	2026-05-16 09:58:33
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

prefixsums.cpp:4:1: error: ‘cin’ does not name a type; did you mean ‘sin’?
4 | cin>>n>>q;
| ^~~
| sin
prefixsums.cpp:5:18: error: array bound is not an integer constant before ‘]’ token
5 | long long arr[n+1], pre[n+1];
| ^
prefixsums.cpp:5:28: error: array bound is not an integer constant before ‘]’ token
5 | long long arr[n+1], pre[n+1];
| ^
prefixsums.cpp:6:1: error: ‘pre’ does not name a type
6 | pre[0] = 0;
| ^~~
prefixsums.cpp:7:1: error: expected unqualified-id before ‘for’
7 | for (int i=1; i<= n; i++){
| ^~~
prefixsums.cpp:7:15: error: ‘i’ does not name a type
7 | for (int i=1; i<= n; i++){
| ^
prefixsums.cpp:7:22: error: ‘i’ does not name a type
7 | for (int i=1; i<= n; i++){
| ^
prefixsums.cpp:12:1: error: expected unqualified-id before