Submission

Score: 85

User: santanaja07

Problemset: สุ่มสลับ

Language: cpp

Time: 0.194 second

Submitted On: 2025-10-01 19:01:23

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

int main() {
	int n;
	cin>>n;
	char c[n];
	string s;
	cin>>s;
	for(int i=0;i<n;i++){
		c[i]=char('A'+i);
	}
	int count=0;
	do{
		string nw;
		count++;
		nw="";
		for(int i=0;i<n;i++){
			nw=nw+c[i];
		}
		if(nw==s){
			cout<<count;
			break;
		}
	}while(next_permutation(c,c+n));
	
}