Submission #3748709

---

Source Code Expand

#include <iostream>
using namespace std;

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

Submission Info

Judge Result