Submission

Status:

PPPPPPPPPP

Score: 100

User: monpluk

Problemset: H.Weird Ping-pong

Language: cpp

Time: 0.335 second

Submitted On: 2025-04-13 16:52:52

#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;

int main(){
    int n;
    long long num = 1e9 + 7;
    long long ans=1;
    cin >> n;
    vector<long long int> arr;
    for(int i=0;i<n;i++){
        int a;
        cin >> a;
        arr.push_back(a);
    }
    sort(arr.begin(),arr.end());
    for(int i=0;i<n;i++){
        ans = (ans*(arr[i]-i))%num;
    }
    cout << ans;
}