Tauler d'escacs (4) - X29759

#include <iostream>
using namespace std;

int main(){
    int n, monedesBlanc=0, monedesNegre=0;
    char tau;
    cin>>n;
    for(int i=0;i<n;++i){
        for(int j=0;j<n;++j){
            cin>>tau;
            if(i%2==j%2) monedesBlanc=monedesBlanc+(tau-'0');
            else monedesNegre=monedesNegre+(tau-'0');
        }
    }
    cout<<monedesBlanc<<'-'<<monedesNegre<<" = "<<monedesBlanc - monedesNegre<<endl;
}