제출 #963381

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
963381		Saul0906	Growing Vegetable is Fun 3 (JOI19_ho_t3)	C++14	5 / 100	1088 ms	500 KiB

joi2019_ho_t3

#include <bits/stdc++.h>
#define ll long long
#define rep(a,b,c) for(ll a=b; a<c; a++)
#define repr(a,b,c) for(ll a=b-1; a>c-1; a--)

using namespace std;

int main(){
	ll n;
	string s, s2, s3;
	cin>>n>>s;
	s2=s;
	ll mn=1e9;
	sort(s2.begin(),s2.end());
	do{
		bool ans=true;
		rep(i,0,n-1){
			if(s2[i]==s2[i+1]) ans=false;
		}
		if(ans){
			s3=s;
			ll sum=0;
			rep(i,0,n){
				if(s2[i]==s3[i]) continue;
				rep(j,i,n){
					if(s3[j]==s2[i]){
						repr(k,j,i) swap(s3[k+1],s3[k]);
						sum+=(j-i);
						break;
					}
				}
			}
			mn=min(mn,sum);
		}
	}while(next_permutation(s2.begin(),s2.end()));
	if(mn<1e9) cout<<mn<<endl;
	else cout<<-1<<endl;
}

• Subtask 1: 5 / 5
• Subtask 2: 0 / 55
• Subtask 3: 0 / 15
• Subtask 4: 0 / 25