Submission #1191517

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Source Code Expand

#include<stdio.h>

int main(void){
	int a,b;
	scanf("%d%d",&a,&b);
	if(a%b){printf("%d\n",b-(a%b));}else{printf("0\n");}
	return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:5:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&a,&b);
  ^

Judge Result