Problem	prefixsums
User	Phoubia01
Submission Time	2025-04-11 18:09:55
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

prefixsums.cpp:2:21: error: expected ‘;’ before ‘using’
2 | using ll = long long
| ^
| ;
3 | using namespace std;
| ~~~~~
prefixsums.cpp: In function ‘int main()’:
prefixsums.cpp:6:5: error: ‘cin’ was not declared in this scope; did you mean ‘std::cin’?
6 | cin >> n >> q;
| ^~~
| std::cin
In file included from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:75,
from prefixsums.cpp:1:
/usr/include/c++/9/iostream:60:18: note: ‘std::cin’ declared here
60 | extern istream cin; /// Linked to standard input
| ^~~
prefixsums.cpp:7:5: error: ‘vector’ was not declared in this scope
7 | vector <ll> nums(n, 0);
| ^~~~~~
prefixsums.cpp:7:5: note: suggested alternatives:
In file included from /usr/include/c++/9/vector:67,
from /u