제출 #992658

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
992658		ezzzay	Miners (IOI07_miners)	C++14	0 / 100	1597 ms	604 KiB

miners

#include<bits/stdc++.h>
using namespace std;
#define ff first
#define ss second
#define pb push_back
const int N=3e5+5;
signed main(){
    int n;
    string s;
    int mx=0;
    cin>>n>>s;
    for(int i=0;i<(1<<n);i++){
        set<int>st1,st2;
        int k=0;
        for(int j=0;j<n;j++){
            if(i&(1<<j)){
                st1.insert(s[j]);
                k+=st1.size();
                if(st1.size()==3)st1.clear();
            }
            else{
                st2.insert(s[j]);
                k+=st2.size();
                if(st2.size()==3)st2.clear();
            }
        }
        mx=max(mx,k);
    }
    cout<<mx;
}

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