Submission #510144

#	Time	Username	Problem	Language	Result	Execution time	Memory
510144		tabr	Combo (IOI18_combo)	C++17	0 / 100	1 ms	200 KiB

combo

#include <bits/stdc++.h>
using namespace std;
#ifdef tabr
#include "library/debug.cpp"
#else
#define debug(...)
#endif

int press(string);

string guess_sequence(int n) {
    string t = "ABXY";
    int id = 0;
    if (press("XY")) {
        id |= 2;
    }
    if (press("BY")) {
        id |= 1;
    }
    string res = t.substr(id, 1);
    t.erase(t.begin() + id);
    for (int i = 1; i < n; i++) {
        res += t[press(res + t[1] + res + t[2] + t[0] + res + t[2] + t[1] + res + t[2] + t[2])];
    }
    return res;
}

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