Submission #538219

#	Time	Username	Problem	Language	Result	Execution time	Memory
538219		EZiganshin	Combo (IOI18_combo)	C++17	10 / 100	147 ms	408 KiB

combo

#include "combo.h"
#include <bits/stdc++.h>

using namespace std;

const int K = 4;

vector<string> key = {"A", "B", "X", "Y"};

string get_string(vector<int> &a) {
    string res;
    for (int x: a) {
        res += key[x];
    }
    return res;
}

int n;

string guess_sequence(int N) {
    n = N;
    vector<int> v;
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < K; j++) {
            v.push_back(j);
            if (press(get_string(v)) == i + 1) {
                break;
            }
            v.pop_back();
        }
    }
    return get_string(v);
}

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