Compiler output
prog.cpp: In function 'void xorin()':
prog.cpp:7:5: error: 'cin' was not declared in this scope
cin >> n >> m >> x;
^
prog.cpp:38:13: error: 'cout' was not declared in this scope
cout << a[i][j] << " ";
^
prog.cpp:39:9: error: 'cout' was not declared in this scope
cout << endl;
^
prog.cpp:39:17: error: 'endl' was not declared in this scope
cout << endl;
^
prog.cpp:10:9: warning: unused variable 'lines' [-Wunused-variable]
int lines = n;
^
prog.cpp:12:9: warning: unused variable 'cols' [-Wunused-variable]
int cols = m;
^
