Submission #346232

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
346232	2021-01-09T07:38:52 Z	Chayanin_K	Counting Mushrooms (IOI20_mushrooms)	C++14	92.623 / 100	12 ms	492 KB

mushrooms

#include "mushrooms.h"
#include <bits/stdc++.h>
 
using namespace std;
 
/// 0 = Type A, 1 = Type B

vector <int> vec[2]; 
 
int count_mushrooms(int n) 
{
	if(n<3){
		return 2-use_machine({0, 1});
	}
	else{
		vec[0].push_back(0);
		vec[use_machine({0, 1})].push_back(1);
		vec[use_machine({0, 2})].push_back(2);
		int cnta = vec[0].size();
		for(int i = 3; i < n; ){
			int use;/// use A or B

			if(vec[0].size() >= vec[1].size())
				use = 0;
			else 
				use = 1;

			vector <int> query;

			int l;

			if(vec[use].size() > 85) 
				l = n; /// GATHER MORE MUSHROOMS
			else 
				l = min(n, i + 2);

			for(auto it = vec[use].begin(); i < l && it!=vec[use].end(); i++, it++){
				query.push_back(*it);
				query.push_back(i);
			}

			int ans = use_machine(query);

			if(query.size()==4){
				if(ans>1) 
					vec[!use].push_back(query[1]);
				else
					vec[use].push_back(query[1]);
			}
			if(ans%2==0)
				vec[use].push_back(i-1); // last one is same
			else
				vec[!use].push_back(i-1); // last one is NOT same
			if(use==0) 
				cnta += (query.size() - ans) / 2;
			else 
				cnta += (ans + 1) / 2;
		}
		return cnta;
	}
}

Subtask #1

92.623 / 100.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	3 ms	364 KB	Output is correct
7	Correct	7 ms	364 KB	Output is correct
8	Correct	7 ms	364 KB	Output is correct
9	Correct	8 ms	364 KB	Output is correct
10	Correct	9 ms	364 KB	Output is correct
11	Partially correct	7 ms	364 KB	Output is partially correct
12	Correct	7 ms	364 KB	Output is correct
13	Correct	7 ms	364 KB	Output is correct
14	Correct	5 ms	364 KB	Output is correct
15	Partially correct	8 ms	364 KB	Output is partially correct
16	Partially correct	7 ms	364 KB	Output is partially correct
17	Correct	4 ms	364 KB	Output is correct
18	Correct	8 ms	364 KB	Output is correct
19	Partially correct	8 ms	364 KB	Output is partially correct
20	Correct	7 ms	364 KB	Output is correct
21	Correct	7 ms	364 KB	Output is correct
22	Partially correct	8 ms	364 KB	Output is partially correct
23	Correct	7 ms	364 KB	Output is correct
24	Correct	5 ms	364 KB	Output is correct
25	Partially correct	8 ms	364 KB	Output is partially correct
26	Partially correct	7 ms	408 KB	Output is partially correct
27	Partially correct	9 ms	384 KB	Output is partially correct
28	Partially correct	7 ms	364 KB	Output is partially correct
29	Partially correct	7 ms	364 KB	Output is partially correct
30	Partially correct	8 ms	364 KB	Output is partially correct
31	Partially correct	7 ms	364 KB	Output is partially correct
32	Partially correct	7 ms	364 KB	Output is partially correct
33	Partially correct	7 ms	364 KB	Output is partially correct
34	Partially correct	7 ms	492 KB	Output is partially correct
35	Partially correct	7 ms	364 KB	Output is partially correct
36	Partially correct	7 ms	364 KB	Output is partially correct
37	Partially correct	8 ms	364 KB	Output is partially correct
38	Partially correct	7 ms	364 KB	Output is partially correct
39	Partially correct	7 ms	364 KB	Output is partially correct
40	Partially correct	8 ms	364 KB	Output is partially correct
41	Partially correct	7 ms	364 KB	Output is partially correct
42	Partially correct	7 ms	364 KB	Output is partially correct
43	Partially correct	8 ms	364 KB	Output is partially correct
44	Partially correct	7 ms	364 KB	Output is partially correct
45	Partially correct	10 ms	492 KB	Output is partially correct
46	Partially correct	7 ms	364 KB	Output is partially correct
47	Partially correct	7 ms	364 KB	Output is partially correct
48	Partially correct	8 ms	364 KB	Output is partially correct
49	Partially correct	9 ms	364 KB	Output is partially correct
50	Partially correct	7 ms	364 KB	Output is partially correct
51	Partially correct	8 ms	364 KB	Output is partially correct
52	Partially correct	9 ms	364 KB	Output is partially correct
53	Partially correct	9 ms	364 KB	Output is partially correct
54	Partially correct	9 ms	364 KB	Output is partially correct
55	Partially correct	9 ms	364 KB	Output is partially correct
56	Partially correct	12 ms	396 KB	Output is partially correct
57	Partially correct	7 ms	364 KB	Output is partially correct
58	Partially correct	7 ms	364 KB	Output is partially correct
59	Partially correct	9 ms	364 KB	Output is partially correct
60	Partially correct	7 ms	364 KB	Output is partially correct
61	Partially correct	8 ms	396 KB	Output is partially correct
62	Correct	1 ms	364 KB	Output is correct
63	Correct	0 ms	364 KB	Output is correct
64	Correct	0 ms	364 KB	Output is correct
65	Correct	1 ms	364 KB	Output is correct
66	Correct	1 ms	364 KB	Output is correct
67	Correct	1 ms	364 KB	Output is correct
68	Correct	0 ms	364 KB	Output is correct
69	Correct	0 ms	364 KB	Output is correct
70	Correct	1 ms	364 KB	Output is correct
71	Correct	1 ms	364 KB	Output is correct
72	Correct	1 ms	364 KB	Output is correct
73	Correct	1 ms	364 KB	Output is correct
74	Correct	1 ms	364 KB	Output is correct
75	Correct	1 ms	364 KB	Output is correct
76	Correct	1 ms	364 KB	Output is correct
77	Correct	1 ms	364 KB	Output is correct
78	Correct	1 ms	364 KB	Output is correct
79	Correct	1 ms	364 KB	Output is correct
80	Correct	1 ms	364 KB	Output is correct
81	Correct	1 ms	364 KB	Output is correct
82	Correct	1 ms	364 KB	Output is correct
83	Correct	0 ms	364 KB	Output is correct
84	Correct	1 ms	364 KB	Output is correct
85	Correct	1 ms	364 KB	Output is correct
86	Correct	1 ms	364 KB	Output is correct
87	Correct	1 ms	364 KB	Output is correct
88	Correct	1 ms	364 KB	Output is correct
89	Correct	1 ms	364 KB	Output is correct
90	Correct	1 ms	364 KB	Output is correct
91	Correct	0 ms	364 KB	Output is correct