Submission #709793

#	Time	Username	Problem	Language	Result	Execution time	Memory
709793		Cyanmond	Combo (IOI18_combo)	C++17	10 / 100	76 ms	604 KiB

combo

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

std::string guess_sequence(int N) {
    std::string answer;
    for (int i = 0; i < N; ++i) {
        std::string x = answer + 'A';
        int res = press(x);
        if (res == i + 1) {
            answer = x;
            continue;
        }
        x = answer + 'B';
        res = press(x);
        if (res == i + 1) {
            answer = x;
            continue;
        }
        x = answer + 'X';
        res = press(x);
        if (res == i + 1) {
            answer = x;
            continue;
        }
        x = answer + 'Y';
        res = press(x);
        if (res == i + 1) {
            answer = x;
            continue;
        }
    }
    return answer;
}

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