Submission #1164895

#	Time	Username	Problem	Language	Result	Execution time	Memory
1164895		chikien2009	Combo (IOI18_combo)	C++20	0 / 100	0 ms	408 KiB

combo

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

// inline void setup()
// {
// #ifndef ONLINE_JUDGE
//     freopen("test.inp", "r", stdin);
//     freopen("test.out", "w", stdout);
// #endif
//     ios_base::sync_with_stdio(0);
//     cin.tie(0);
//     cout.tie(0);
// }

// int press(string inp)
// {
//     cout << inp << "\n";
//     int res;
//     cin >> res;
//     return res;
// }    

string guess_sequence(int N)
{
    string base, res, temp, a, b, c, d;
    int cur;
    if (press("AB"))
    {
        if (press("A"))
        {
            base = "BXY";
            res = "A";
        }
        else
        {
            base = "AXY";
            res = "B";
        }
    }   
    else
    {
        if (press("X"))
        {
            base = "ABY";
            res = "X";
        }
        else
        {
            base = "ABX";
            res = "Y";
        }
    }
    while (res.size() < N)
    {
        a = b = c = d = res;
        a.push_back(base[0]);
        b.push_back(base[1]);
        c.push_back(base[1]);
        d.push_back(base[1]);
        // b.push_back(base[0]);
        // c.push_back(base[1]);
        // d.push_back(base[2]);
        // cur = press(a);
        if (press(a) == res.size() + 1)
        {
            res += base[0];
        }
        else if (press(b) == res.size() + 2)
        {
            res += base[1];
        }
        else
        {
            res += base[2];
        }
    }
    return res;
}

// int main()
// {
//     // setup();

//     int N;
//     cin >> N;
//     cout << guess_sequence(N);
//     return 0;
// }

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