Problem	swords
User	BAF123123
Submission Time	2024-02-18 13:49:33
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

swords.cpp: In function ‘int main()’:
swords.cpp:13:2: error: ‘cin’ was not declared in this scope
13 | cin >> n;
| ^~~
swords.cpp:57:1: error: ‘cout’ was not declared in this scope
57 | cout << useful;
| ^~~~