Run id: 165352

Main.cc: In function 'int main()':
Main.cc:11:17: error: 's' was not declared in this scope
                 s+=a[n][m];
                 ^
Main.cc:14:17: error: 's' was not declared in this scope
                 s+=a[i][j];
                 ^
Main.cc:18:11: error: 's' was not declared in this scope
     cout<