Submission #1772943

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Source Code Expand

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

int main()
{
    int n, a, b;
    cin >> n >> a >> b;
    if (n == 1) {
        cout << (a == b);
        return 0;
    }

    if (b < a) {
        cout << 0;
        return 0;
    }
    long long nmax = a + 1ll * (n - 1) * b, nmin = 1ll * (n - 1) * a + b;
    cout << nmax - nmin + 1;
    return 0;
}

Submission Info

Judge Result