getting compilation error

#include<bits/stdc++.h>
using namespace std;

int main() {
// your code goes here
char map[26],s[100];
int t,n,i;
cin>>t>>map;
while(t–)
{
cin>>s;

for(i=0;s[i];i++)
{
	if(islower(s[i]))
	s[i]=map[s[i]-'a'];
	 if(isupper(s[i]))
	s[i]=map[s[i]-'A'];
	if(s[i]=='_')
	s[i]='';
	
}
cout<<s<<endl;

}

return 0;

}

//