Submission #1676237

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Source Code Expand

#include<stdio.h>
int main(){
	int a,i,s=0;
	scanf("%d",&a);
	for(i=a;i;i/=10)s+=i%10;
	printf("%s\n",(a==2||a==3||a==5||s%3&&a%10%2&&a%10%5&&a-1)?"Prime":"Not Prime");
	return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:4:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&a);
  ^

Judge Result