Submission #2211858

---

Source Code Expand

#include <iostream>

using namespace std;

int main(){
    int64_t N, A, B;
    cin >> N >> A >> B;
    if(A > B){
        cout << 0 << endl;
    }
    else if(N < 2){
        if(A == B) cout << 1 << endl;
        else cout << 0 << endl;
    }
    else {
        cout << (B - A) * (N - 2) + 1 << endl;
    }
}

Submission Info

Judge Result