Submission

-------T-T---P--PP--

Score: 15

User: devilpoohs

Problemset: สุ่มสลับ

Language: cpp

Time: 0.197 second

Submitted On: 2024-11-29 17:43:46

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

int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);

	cin>>n;
	char ans[n] ;
	char str[n] ;
	for(int i=0;i<n;i++){
		str[i]=('A'+i) ;
	//	cout << str[i];
	}
	cin>>ans ;
	int count=0 ;
	do{
		count++ ;
		if(!strcmp(ans,str)){
			cout << count ;
			return 0 ;
		}
//		for(int i=0;i<n;i++){
//			cout << str[i] ;
//		}
	}while(next_permutation(str,str+n));
//	cout << str ;
}