Submission #2216496

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Source Code Expand

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

typedef long long ll;

int main() {
	cin.tie(0);
	ios::sync_with_stdio(false);

    int n;cin>>n;
    ll a,b;cin>>a>>b;
    if(n==1 && a!=b){
        cout<<0<<endl;
        return 0;
    }
    ll mi=a*(n-1)+b,ma=a+b*(n-1);
    cout<<ma-mi+1<<endl;
}

Submission Info

Judge Result