View Code of Problem 25

#include<iostream>
using namespace std;

typedef long long ll;

int main()
{
	int t;
	for(cin>>t;t--;){
        char x;
        cin>>x;
        x+='a'-'A';
        cout<<x<<endl;
	}
	return 0;
}

/*
Main.c:1:9: fatal error: iostream: No such file or directory
 #include<iostream>
         ^~~~~~~~~~
compilation terminated.
*/