Submission #1309895

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Source Code Expand

#include <cstdio>
#include <cstring>
#include <algorithm>
#include <cmath>
const int MaxN = 1e5;
typedef long long LL;
using namespace std;
LL n , a , b;
int main()
{
	while(~scanf("%lld%lld%lld" , &n , &a , &b)){
		LL ans = (n - 2) * b - (n - 2) * a;
		printf("%lld\n" , max(0LL , ans + 1));
	}
}

Submission Info

Judge Result