Run id: 65595

Main.cc: In function 'int main()':
Main.cc:7:35: error: 'y2' was not declared in this scope
     scanf("%d%d%d%d",&x1,&y1,&x2,&y2);
                                   ^
Main.cc:5:18: warning: unused variable 'y2a' [-Wunused-variable]
     int x1,y1,x2,y2a;
                  ^