Submission #1202645

#	Time	Username	Problem	Language	Result	Execution time	Memory
1202645		okahak71	Combo (IOI18_combo)	C++20	10 / 100	24 ms	464 KiB

combo

#include <bits/stdc++.h>
#include "combo.h"
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define ll long long
#define all(X) X.begin(), X.end()
#define allr(X) X.rbegin(), X.rend()
#define pb push_back
#define endl '\n'
using namespace std;
using namespace __gnu_pbds;

int press(string p);

string guess_sequence(int n){
    string res = "";
    ll cnt = 0;
    vector<char>ch = {'A', 'B', 'X', 'Y'};
    for(ll i = 0; i < n; i++){
        for(ll j = 0; j < 4; j ++){
            string temp = res + ch[j];
            ll cur = press(temp);
            if(cur == temp.size()){
                res = temp;
                cnt = cur;
                break;
            }
        }
    }
    return res;
}

• Subtask 1: 5 / 5
• Subtask 2: 5 / 95