Submission #1353460

---

Source Code Expand

#include <bits/stdc++.h>
 
#define pii pair<int, int>
#define f first
#define s second
#define pb push_back
#define mp make_pair
#define ll long long 
#define ld long double
#define sz(v) int(v.size())
#define all(v) v.begin(), v.end()
 
#define y1 what

using namespace std;
 
const int N = (int) 2e3 + 10;
const int M = (int) 700;
const ll LINF = (ll) 1e18;
const int mod = (int) 1e9 + 7;
const double EPS = (double) 1e-9;
const double PI =  3.14159265359;


int main() {
    #define fn "balls"
    #ifdef witch
        freopen("input.txt", "r", stdin);
        freopen("output.txt", "w", stdout);
    #else
//        freopen(fn".in", "r", stdin);
//        freopen(fn".out", "w", stdout);
    #endif
    ll n, l, r;
    cin >> n >> l >> r;
    if (n == 1 && l != r) {
        cout << 0;
        return 0;
    }
    ll min_sum = (n - 1) * l + r, max_sum = (n - 1) * r + l;
    cout << max(0ll, max_sum - min_sum + 1);
    return 0;
}

Submission Info

Judge Result