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Submission #82787

# Submission time Handle Problem Language Result Execution time Memory
82787 2018-11-01T16:32:17 Z 314rate Combo (IOI18_combo) C++14
5 / 100
 2 ms 256 KB 
#include <combo.h>
#include <bits/stdc++.h>

using namespace std;

string guess_sequence (int n)
{
    string ans;
    if (press ("AB"))
    {
        if (press ("A"))
        {
            ans = "A";
        }
        else
        {
            ans = "B";
        }
    }
    else
    {
        if (press ("X"))
        {
            ans = "X";
        }
        else
        {
            ans = "Y";
        }
    }
    vector<string>ch;
    if (ans[0] != 'A') ch.push_back ("A");
    if (ans[0] != 'B') ch.push_back ("B");
    if (ans[0] != 'X') ch.push_back ("X");
    if (ans[0] != 'Y') ch.push_back ("Y");
    for (int i = 1; i <= n - 2; i++)
    {
        string ask;
        ask += ans + (ch[2] + ch[0]);
        ask += ans + (ch[2] + ch[1]);
        ask += ans + (ch[2] + ch[2]);
        ask += ans + (ch[1]);
        int value = press (ask) - i;
        ans += ch[value];
    }
    if (press (ans + ch[0]) == n)
    {
        ans += ch[0];
    }
    else
    {
        if (press (ans + ch[1]) == n)
        {
            ans += ch[1];
        }
        else
        {
            ans += ch[2];
        }
    }
    return ans;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 1 ms 200 KB Output is correct
3 Correct 2 ms 200 KB Output is correct
4 Correct 1 ms 200 KB Output is correct
5 Correct 1 ms 200 KB Output is correct
6 Correct 1 ms 200 KB Output is correct
7 Correct 1 ms 200 KB Output is correct
8 Correct 1 ms 200 KB Output is correct
9 Correct 1 ms 200 KB Output is correct
10 Correct 1 ms 240 KB Output is correct
11 Correct 1 ms 200 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 1 ms 200 KB Output is correct
14 Correct 2 ms 200 KB Output is correct
15 Correct 1 ms 252 KB Output is correct
16 Correct 1 ms 256 KB Output is correct
17 Correct 1 ms 200 KB Output is correct
18 Correct 2 ms 200 KB Output is correct
19 Correct 1 ms 200 KB Output is correct
20 Correct 1 ms 200 KB Output is correct
21 Correct 1 ms 200 KB Output is correct
22 Correct 2 ms 200 KB Output is correct
23 Correct 2 ms 200 KB Output is correct
24 Correct 1 ms 200 KB Output is correct
25 Correct 1 ms 200 KB Output is correct
26 Correct 1 ms 200 KB Output is correct
27 Correct 1 ms 200 KB Output is correct
28 Correct 1 ms 200 KB Output is correct
29 Correct 1 ms 200 KB Output is correct
30 Correct 1 ms 200 KB Output is correct
31 Correct 1 ms 200 KB Output is correct
32 Correct 2 ms 200 KB Output is correct
33 Correct 1 ms 200 KB Output is correct
34 Correct 1 ms 200 KB Output is correct
35 Correct 1 ms 200 KB Output is correct
36 Correct 1 ms 200 KB Output is correct

Subtask #2
0 / 95.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 200 KB Wrong Answer: wrong guess.
2 Halted 0 ms 0 KB -