Submission #1306071

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Source Code Expand

#include <stdio.h>
int main(){

  int w,a,b,blank;

  scanf("%d %d %d",&w,&a,&b);

  if(a > b){

    blank=a;
    a=b;
    b=blank;

  }

  if(b-a-w > 0) printf("%d\n",b-a-w);
  else printf("0\n");

  return 0;

}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:6:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d %d",&w,&a,&b);
                             ^

Judge Result