제출 #1137368

#제출 시각아이디문제언어결과실행 시간메모리
1137368cpdreamer콤보 (IOI18_combo)C++20
5 / 100
0 ms408 KiB
#include "combo.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define P pair
#define F first
#define all(v) v.begin(),v.end()
#define V vector
#define pb push_back
std::string guess_sequence(int n){
    string t;
    V<char>vp={'A','B','X','Y'};
    char x;
    bool f=false;
    for(int i=0;i<3;i++){
        if(press(t+vp[i])==1){
            x=vp[i];
            t+=vp[i];
            f=true;
            break;
        }
    }
    if(!f){
        t+=vp[3];
        x=vp[3];
    }
    V<char>vp1;
    for(auto u:vp){
        if(u!=x) {
            vp1.pb(u);
        }
    }
    for(int i=1;i<n-1;i++){
        string r="";
        for(auto u:vp1){
            r+=t;
            r+=vp1[0];
            r+=u;
        }
        r+=t;
        r+=vp1[1];
        int ans=press(r);
        if(ans==i+2){
            t+=vp1[0];
        }
        else if(ans==i+1){
            t+=vp1[1];
        }
        else
            t+=vp1[2];
    }
    for(auto u:vp1){
        if(press(t+u)==n){
            t+=u;
            break;
        }
    }
    return t;
}
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