Submission

Score: 90

User: Sense.exe

Problemset: สุ่มสลับ

Language: cpp

Time: 0.199 second

Submitted On: 2026-10-08 17:22:21

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

int main() {
    int n;
    string s;
    cin >> n >> s;
    string alp = "";
    for(int i=0; i<n; i++) {
        alp += char('A'+i);
    }
    int count=1;
    while(alp != s) {
        next_permutation(alp.begin(),alp.end());
        count++;
    }
    cout << count;
}