Submission #254524

#	Time	Username	Problem	Language	Result	Execution time	Memory
254524		Erkhemkhuu	Combo (IOI18_combo)	C++17	10 / 100	111 ms	540 KiB

combo

#include <bits/stdc++.h>
#include <combo.h>
using namespace std;
#define ll long long
#define pb push_back
#define mk make_pair
#define F first
#define S second
string guess_sequence(int n) {
    string res = "";
    vector <char> vc = {'A', 'B', 'X', 'Y'};
    for(int i = 1; i <= n; i++) {
        for(int j = 0; j < 4; j++) {
            res += vc[j];
            if(press(res) == i) break;
            res.pop_back();
        }
    }
    return res;
}

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