Problem	pairsums
User	yisio001
Submission Time	2023-01-04 17:15:03
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

pairsums.cpp: In function ‘int main()’:
pairsums.cpp:2:5: error: ‘ios_base’ has not been declared
2 | ios_base::sync_with_stdio(false);
| ^~~~~~~~
pairsums.cpp:3:5: error: ‘cin’ was not declared in this scope
3 | cin.tie(0);
| ^~~
pairsums.cpp:4:5: error: ‘ll’ was not declared in this scope
4 | ll n, o, e, a;
| ^~
pairsums.cpp:5:12: error: ‘n’ was not declared in this scope
5 | cin >> n >> a;
| ^
pairsums.cpp:5:17: error: ‘a’ was not declared in this scope
5 | cin >> n >> a;
| ^
pairsums.cpp:6:10: error: ‘o’ was not declared in this scope
6 | for (o = e = 0; n--; cin >> a)
| ^
pairsums.cpp:6:14: error: ‘e’ was not declared in this scope
6 | for (o = e = 0; n--; cin >> a)
| ^
pairsums.cpp:9:5: error: ‘cout’ was not declared in thi