Submission #538218

#	Time	Username	Problem	Language	Result	Execution time	Memory
538218		EZiganshin	Combo (IOI18_combo)	C++17	5 / 100	2 ms	208 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;
vector<int> ans, cur;

void gen(int pos) {
    if (pos == N) {
        if (press(get_string(cur)) == N) {
            ans = cur;
        }
        return;
    }
    for (int i = 0; i < K; i++) {
        cur.push_back(i);
        gen(pos + 1);
        cur.pop_back();
    }
}

string guess_sequence(int NN) {
    N = NN;
    gen(0);
    return get_string(ans);
}

• Subtask 1: 5 / 5
• Subtask 2: 0 / 95