Submission #1309791

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Source Code Expand

#include <cstdio>
using namespace std;
typedef long long ll;
ll n,a,b,t1,t2,ans;
int main() {
	scanf("%lld %lld %lld",&n,&a,&b);
	t1=a*(n-1)+b; t2=a+(n-1)*b;
	ans=t2-t1+1;
	if (ans<0) ans=0;
	printf("%lld\n",ans);
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:6:34: 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