Submission #1310274

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Source Code Expand

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

const int N=200008;

int main()
{
	cin.sync_with_stdio(0);
	int n,a,b;
	cin>>n>>a>>b;
	if (n==1 && a==b) cout<<1<<endl; else
	if (n==1 || a>b) cout<<0<<endl; else
	if (a==b)
	{
		cout<<1<<endl;
	}
	else
	{
		cout<<(b-a)*(n-2)+1<<endl;
	}
}

Submission Info

Judge Result