Submission #383105

#	Time	Username	Problem	Language	Result	Execution time	Memory
383105		Christopher_Rdz	콤보 (IOI18_combo)	C++17	100 / 100	53 ms	652 KiB

combo

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

using namespace std;

string guess_sequence(int N){
    string ini, s = "";
    if (press("AB") != 0){
        if (press("A") == 1){
            ini = "A";
        }else{
            ini = "B";
        }
    }else{
        if (press("X") == 1){
            ini = "X";
        }else{
            ini = "Y";
        }
    }
    string l;
    if (ini == "A") l = "BXY";
    if (ini == "B") l = "AXY";
    if (ini == "X") l = "BAY";
    if (ini == "Y") l = "BXA";
    int p = 1;
    int ans;
    s += ini;
    for (int i = 2; i < N; i++){
        ans = press(s + l[0] + l[0] + s + l[0] + l[1] + s + l[0] + l[2] + s + l[1]);
        if (ans == p){
            s += l[2];
        }else{
            if (ans - p == 1){
                s += l[1];
            }else{
                s += l[0];
            }
        }
        p++;
    }
    if (N > 1){
        if (press(s + l[0]) == N){
            s += l[0];
        }else{
            if (press(s + l[1]) == N){
                s += l[1];
            }else{
                s += l[2];
            }
        }
    }
    return s;
}

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