Submission #133804

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
133804	2019-07-21T12:07:39 Z	shafinalam	Combo (IOI18_combo)	C++14	5 / 100	83 ms	612 KB

combo

#include <bits/stdc++.h>
#include "combo.h"

using namespace std;

vector<char>t{'A', 'B', 'X', 'Y'};

string guess_sequence(int N)
{
    string ans, p;
    p = "AB";
    
    if(press(p)>=1)
    {
        p = "A";
        if(press(p)==1) ans = "A";
        else ans = "B";
    }
    else
    {
        p = "X";
        if(press(p)==1) ans = "X";
        else ans = "Y";
    }
    if(N==1) return ans;
    for(int i = 0; i < 4; i++) {
        if(t[i]==ans[0]) {
            t.erase(t.begin()+i);
            break;
        }
    }
    
    for(int i = 2; i < N; i++)
    {
        p = ans+t[0];
        for(auto c : t) {
            p+=ans+t[1]+c;
        }
        int coins = press(p);
        int n = ans.size();
        if(coins==n) ans+=t[2];
        else if(coins==n+1) ans+=t[0];
        else ans+=t[1];
    }
    if(press(ans+t[0])==N) ans+=t[0];
    else if(press(ans+t[1])==N) ans+=t[1];
    else ans+=t[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	2 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	200 KB	Output is correct
11	Correct	1 ms	200 KB	Output is correct
12	Correct	1 ms	200 KB	Output is correct
13	Correct	1 ms	200 KB	Output is correct
14	Correct	2 ms	200 KB	Output is correct
15	Correct	2 ms	200 KB	Output is correct
16	Correct	1 ms	200 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	2 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	1 ms	200 KB	Output is correct
24	Correct	1 ms	212 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	2 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	Correct	1 ms	200 KB	Output is correct
2	Correct	1 ms	200 KB	Output is correct
3	Correct	1 ms	200 KB	Output is correct
4	Correct	1 ms	220 KB	Output is correct
5	Correct	1 ms	216 KB	Output is correct
6	Correct	1 ms	200 KB	Output is correct
7	Correct	2 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	200 KB	Output is correct
11	Correct	1 ms	200 KB	Output is correct
12	Correct	1 ms	200 KB	Output is correct
13	Correct	1 ms	200 KB	Output is correct
14	Correct	1 ms	200 KB	Output is correct
15	Correct	1 ms	200 KB	Output is correct
16	Correct	1 ms	200 KB	Output is correct
17	Correct	39 ms	384 KB	Output is correct
18	Correct	41 ms	488 KB	Output is correct
19	Correct	22 ms	380 KB	Output is correct
20	Correct	24 ms	504 KB	Output is correct
21	Correct	39 ms	456 KB	Output is correct
22	Correct	2 ms	256 KB	Output is correct
23	Correct	2 ms	200 KB	Output is correct
24	Correct	2 ms	200 KB	Output is correct
25	Correct	2 ms	200 KB	Output is correct
26	Correct	2 ms	200 KB	Output is correct
27	Correct	2 ms	356 KB	Output is correct
28	Correct	4 ms	200 KB	Output is correct
29	Correct	3 ms	328 KB	Output is correct
30	Correct	3 ms	328 KB	Output is correct
31	Correct	3 ms	312 KB	Output is correct
32	Correct	35 ms	480 KB	Output is correct
33	Correct	44 ms	476 KB	Output is correct
34	Correct	42 ms	612 KB	Output is correct
35	Correct	35 ms	428 KB	Output is correct
36	Correct	51 ms	456 KB	Output is correct
37	Correct	39 ms	456 KB	Output is correct
38	Execution timed out	83 ms	372 KB	Time limit exceeded (wall clock)
39	Halted	0 ms	0 KB	-