Submission #1310288

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Source Code Expand

#include <iostream>
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int main()
{
    std::ios::sync_with_stdio(false);
    ll n, m ,k;
    cin >> n >> m >> k;
    cout << max((ll)0, (n - 2) * (k - m) + 1) << "\n";
    return 0;
}

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