Submission #1317898

#	Time	Username	Problem	Language	Result	Execution time	Memory
1317898		shangbin	콤보 (IOI18_combo)	C++20	0 / 100	0 ms	400 KiB

combo

#include "combo.h"
#include <bits/stdc++.h>
using namespace std;

string guess_sequence(int N){
    vector<string> b = {"A", "B", "X", "Y"};
    string p, S = "";
    int first;
    if (press("XY") == 1){
        if (press("X") == 1) first = 2;
        else first = 3;
    }
    else {
        if (press("A") == 1) first = 0;
        else first = 1;
    }
    S += b[first];
    b.erase(b.begin() + first);
    for (int i = 1; i < N-1; i++){
        p = (S + b[1]) + (S + b[2] + b[0]) + (S + b[2] + b[1]) + (S + b[2] + b[2]);
        int coin = press(p);
        S += b[coin - S.length()];
    }
    for (auto bi : b)
        if (press(S + bi) == N){
            S += bi;
            break;
        }
    return S;
}

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