Problem	prefixsums
User	qwerty
Submission Time	2026-05-16 09:56:41
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

prefixsums.cpp:5:1: error: ‘cin’ does not name a type; did you mean ‘sin’?
5 | cin >> n >> q;
| ^~~
| sin
prefixsums.cpp:6:18: error: array bound is not an integer constant before ‘]’ token
6 | long long arr[n+1], pre[n+1];
| ^
prefixsums.cpp:6:28: error: array bound is not an integer constant before ‘]’ token
6 | long long arr[n+1], pre[n+1];
| ^
prefixsums.cpp:7:1: error: ‘pre’ does not name a type
7 | pre[0] = 0;
| ^~~
prefixsums.cpp:8:1: error: expected unqualified-id before ‘for’
8 | for ( int i = 1; i <= n; i++) {
| ^~~
prefixsums.cpp:8:18: error: ‘i’ does not name a type
8 | for ( int i = 1; i <= n; i++) {
| ^
prefixsums.cpp:8:26: error: ‘i’ does not name a type
8 | for ( int i = 1; i <= n; i++) {
| ^
prefixsums.cpp:13:1: error: expec