Mã chấm: 268004

Main.cc: In function ‘int main()’:
Main.cc:15:12: warning: left operand of comma operator has no effect [-Wunused-value]
  } while(a,b,x,y>=0 && a,b,x,y<=100);
            ^
Main.cc:15:14: warning: right operand of comma operator has no effect [-Wunused-value]
  } while(a,b,x,y>=0 && a,b,x,y<=100);
              ^
Main.cc:15:24: warning: right operand of comma operator has no effect [-Wunused-value]
  } while(a,b,x,y>=0 && a,b,x,y<=100);
                        ^
Main.cc:15:21: warning: right operand of comma operator has no effect [-Wunused-value]
  } while(a,b,x,y>=0 && a,b,x,y<=100);
                ~~~~~^~~~
Main.cc:15:28: warning: right operand of comma operator has no effect [-Wunused-value]
  } while(a,b,x,y>=0 && a,b,x,y<=100);
                            ^
Main.cc:15:33: warning: right operand of comma operator has no effect [-Wunused-value]
  } while(a,b,x,y>=0 && a,b,x,y<=100);
                                 ^~~
Main.cc:15:37: error: expected ‘}’ at end of input
  } while(a,b,x,y>=0 && a,b,x,y<=100);
                                     ^
Main.cc:6:8: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&a);
   ~~~~~^~~~~~~~~
Main.cc:8:8: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&b);
   ~~~~~^~~~~~~~~
Main.cc:10:8: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&x);
   ~~~~~^~~~~~~~~
Main.cc:12:8: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&y);
   ~~~~~^~~~~~~~~