Submission #1310277

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

int main()
{
	ll n, a, b;
	cin >> n >> a >> b;

	if (a > b)
	{
		cout << 0 << '\n';
		return 0;
	}

	if (n == 2)
	{
		cout << 1 << '\n';
		return 0;
	}

	if (n < 2)
	{
		if (a == b)
			cout << 1 << '\n';
		else
			cout << 0 << '\n';
		return 0;
	}


	cout << (b - a) * (n - 2) + 1 << '\n';

	return 0;
}

Submission Info

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