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#include <iostream>
using namespace std;
 
int main() 
{
	int N;
    char X;
    char Y;
 
    int fights = 0;
 
    1 <= N <= 100000;
 
    for (int i = 0; i < N; i++){
        cin >> X[i];
        cin >> Y[i];
 
        if (Y[i] != X[i]){
           fights += 1;
        }     
    }
    cout << fights;
 
    return 0;
}
 

prog.cpp: In function ‘int main()’:
prog.cpp:15:19: error: invalid types ‘char[int]’ for array subscript
         cin >> X[i];
                   ^
prog.cpp:16:19: error: invalid types ‘char[int]’ for array subscript
         cin >> Y[i];
                   ^
prog.cpp:18:16: error: invalid types ‘char[int]’ for array subscript
         if (Y[i] != X[i]){
                ^
prog.cpp:18:24: error: invalid types ‘char[int]’ for array subscript
         if (Y[i] != X[i]){
                        ^

Standard output is empty