Submission #1602957

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Source Code Expand

#include <iostream>
using namespace std;

int main(){  
	long N;
	long A;
	long B;
	cin >> N >> A >> B;
	if(A == B){
		cout << 1 << endl;
	}else if(A > B){
		cout << 0 << endl;
	}else if(N == 1){
		cout << 0 << endl;
	}else{
		cout << (B - A) * (N - 2) + 1 << endl;
	}
	return 0;
}

Submission Info

Judge Result