0_0_39178217_21156.cpp: In function 'int main()':
0_0_39178217_21156.cpp:3:5: error: 'cin' was not declared in this scope
3 | cin>>n;
| ^~~
0_0_39178217_21156.cpp:22:9: error: 'cout' was not declared in this scope
22 | cout<<res<<endl;
| ^~~~
0_0_39178217_21156.cpp:22:20: error: 'endl' was not declared in this scope
22 | cout<<res<<endl;
| ^~~~
|