Run id: 133348

Main.cc: In function 'int main()':
Main.cc:6:9: error: 'x2' was not declared in this scope
    cin>>x2>>y2;
         ^
Main.cc:4:14: warning: unused variable 'xx2' [-Wunused-variable]
    int x1,y1,xx2,y2,x,y;
              ^