Submission #1574132

---

Source Code Expand

#include <bits/stdc++.h>

using namespace std;

long long n,A,B;
int main()
{
	cin >> n >> A >> B;
	if(n==1&&A!=B) cout << 0 << endl;
	else if(A>B) cout << 0 << endl;
	else cout << A+(n-1)*B-B-(n-1)*A+1 << endl;
	return 0;
}

Submission Info

Judge Result