Submission #1309678

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Source Code Expand

#include<cstdio>
int main(){
	long long n,a,b;
	scanf("%lld%lld%lld",&n,&a,&b);
	if(a>b) printf("0\n");
	else if((a!=b) && (n==1)) printf("0\n");
	else{
		printf("%lld\n",(b-a) * (n-2) + 1);
	}
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:4:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld%lld%lld",&n,&a,&b);
                                ^

Judge Result