Submission #1164884

#TimeUsernameProblemLanguageResultExecution timeMemory
1164884chikien2009Combo (IOI18_combo)C++20
0 / 100
0 ms408 KiB
#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";
        }
    }
    for (int i = 2; i <= N; ++i)
    {
        a = res + base[0];
        b = res + base[1];
        c = b + base[1];
        d = b + base[2];
        b += base[0];
        cur = press(a + b + c + d);
        if (cur == res.size() + 1)
        {
            res += base[0];
        }
        else if (cur == 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;
// }
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