Submission #1309872

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Source Code Expand

#include<stdio.h>
int main(){
  long long n,a,b,c,d;
  scanf("%lld %lld %lld",&n,&a,&b);
  c=a*(n-1)+b;
  d=a+(n-1)*b;
  if(n==1&&a-b||b<a)printf("0\n");
  else printf("%lld\n",d-c+1);  
  return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:4:3: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld %lld %lld",&n,&a,&b);
   ^

Judge Result