Run id: 65590

Main.cc: In function 'int main()':
Main.cc:4:15: error: redeclaration of 'int y2'
  int x1,x2,y2,y2;
               ^
Main.cc:4:12: note: 'int y2' previously declared here
  int x1,x2,y2,y2;
            ^
Main.cc:6:34: warning: format '%d' expects argument of type 'int*', but argument 4 has type 'double (*)(double) throw ()' [-Wformat=]
  scanf("%d%d%d%d",&x1,&x2,&y1,&y2);
                                  ^
Main.cc:11:2: error: expected ';' before '}' token
  }
  ^
Main.cc:12:8: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
  if(y1>y2){
        ^
Main.cc:13:8: warning: pointer to a function used in arithmetic [-Wpointer-arith]
   z=y1-y2;
        ^
Main.cc:13:7: error: invalid conversion from 'double (*)(double) throw ()' to 'int' [-fpermissive]
   z=y1-y2;
       ^
Main.cc:15:8: error: invalid operands of types 'int' and 'double(double) throw ()' to binary 'operator-'
   z=y2-y1;
        ^
Main.cc:6:35: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d%d%d",&x1,&x2,&y1,&y2);
                                   ^