Submission #303667

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
303667	2020-09-20T14:13:42 Z	aljasdlas	Counting Mushrooms (IOI20_mushrooms)	C++14	25 / 100	185 ms	596 KB

mushrooms

#include "mushrooms.h"
#include <bits/stdc++.h>
using namespace std;

int count_mushrooms(int n) {
	if(n < 220) {
		int B = 0;
		for(int i = 1; i < n; i++) {
			B += use_machine({0, i});
		}
		return n-B;
	}

	vector<int> A, B;
	A = {0};
	if(use_machine({0,1})) B.push_back(1);
	else A.push_back(1);
	if(use_machine({0,2})) B.push_back(2);
	else A.push_back(2);

	if(B.size() > A.size()) swap(A,B);

	for(int i = 3; i < n; i+=2) {
		vector<int> cur;
		cur.push_back(A[0]);
		cur.push_back(i);
		cur.push_back(A[1]);
		if(i+1 < n) cur.push_back(i+1);

		int res = use_machine(cur);

		if(res & 2) B.push_back(i);
		else A.push_back(i);

		if(i+1 < n) {
			if(res & 1) B.push_back(i);
			else A.push_back(i);
		}
	}


	if(A[0] == 0) return A.size();
	else return B.size();
}

Subtask #1

25.0 / 100.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	256 KB	Output is correct
2	Correct	0 ms	256 KB	Output is correct
3	Correct	0 ms	256 KB	Output is correct
4	Correct	1 ms	256 KB	Output is correct
5	Correct	3 ms	256 KB	Output is correct
6	Partially correct	15 ms	376 KB	Output is partially correct
7	Partially correct	83 ms	596 KB	Output is partially correct
8	Partially correct	111 ms	592 KB	Output is partially correct
9	Partially correct	113 ms	476 KB	Output is partially correct
10	Partially correct	114 ms	484 KB	Output is partially correct
11	Partially correct	92 ms	540 KB	Output is partially correct
12	Partially correct	142 ms	504 KB	Output is partially correct
13	Partially correct	117 ms	468 KB	Output is partially correct
14	Partially correct	58 ms	452 KB	Output is partially correct
15	Partially correct	92 ms	452 KB	Output is partially correct
16	Partially correct	113 ms	536 KB	Output is partially correct
17	Partially correct	82 ms	396 KB	Output is partially correct
18	Partially correct	135 ms	496 KB	Output is partially correct
19	Partially correct	112 ms	512 KB	Output is partially correct
20	Partially correct	135 ms	484 KB	Output is partially correct
21	Partially correct	105 ms	520 KB	Output is partially correct
22	Partially correct	118 ms	504 KB	Output is partially correct
23	Partially correct	185 ms	380 KB	Output is partially correct
24	Partially correct	67 ms	416 KB	Output is partially correct
25	Partially correct	142 ms	572 KB	Output is partially correct
26	Partially correct	86 ms	532 KB	Output is partially correct
27	Partially correct	62 ms	540 KB	Output is partially correct
28	Partially correct	135 ms	444 KB	Output is partially correct
29	Partially correct	145 ms	448 KB	Output is partially correct
30	Partially correct	92 ms	536 KB	Output is partially correct
31	Partially correct	87 ms	548 KB	Output is partially correct
32	Partially correct	69 ms	544 KB	Output is partially correct
33	Partially correct	60 ms	532 KB	Output is partially correct
34	Partially correct	60 ms	532 KB	Output is partially correct
35	Partially correct	125 ms	536 KB	Output is partially correct
36	Partially correct	118 ms	460 KB	Output is partially correct
37	Partially correct	100 ms	452 KB	Output is partially correct
38	Partially correct	131 ms	548 KB	Output is partially correct
39	Partially correct	86 ms	536 KB	Output is partially correct
40	Partially correct	113 ms	540 KB	Output is partially correct
41	Partially correct	119 ms	540 KB	Output is partially correct
42	Partially correct	124 ms	456 KB	Output is partially correct
43	Partially correct	111 ms	540 KB	Output is partially correct
44	Partially correct	94 ms	532 KB	Output is partially correct
45	Partially correct	67 ms	536 KB	Output is partially correct
46	Partially correct	95 ms	496 KB	Output is partially correct
47	Partially correct	124 ms	544 KB	Output is partially correct
48	Partially correct	119 ms	536 KB	Output is partially correct
49	Partially correct	120 ms	540 KB	Output is partially correct
50	Partially correct	110 ms	448 KB	Output is partially correct
51	Partially correct	75 ms	544 KB	Output is partially correct
52	Partially correct	121 ms	540 KB	Output is partially correct
53	Partially correct	116 ms	544 KB	Output is partially correct
54	Partially correct	109 ms	536 KB	Output is partially correct
55	Partially correct	88 ms	544 KB	Output is partially correct
56	Partially correct	133 ms	552 KB	Output is partially correct
57	Partially correct	111 ms	448 KB	Output is partially correct
58	Partially correct	108 ms	420 KB	Output is partially correct
59	Partially correct	129 ms	440 KB	Output is partially correct
60	Partially correct	75 ms	532 KB	Output is partially correct
61	Partially correct	109 ms	532 KB	Output is partially correct
62	Correct	0 ms	256 KB	Output is correct
63	Correct	0 ms	256 KB	Output is correct
64	Correct	0 ms	256 KB	Output is correct
65	Correct	0 ms	256 KB	Output is correct
66	Correct	0 ms	256 KB	Output is correct
67	Correct	0 ms	256 KB	Output is correct
68	Correct	1 ms	256 KB	Output is correct
69	Correct	1 ms	256 KB	Output is correct
70	Correct	1 ms	256 KB	Output is correct
71	Correct	0 ms	256 KB	Output is correct
72	Correct	1 ms	256 KB	Output is correct
73	Correct	1 ms	256 KB	Output is correct
74	Correct	0 ms	256 KB	Output is correct
75	Correct	1 ms	256 KB	Output is correct
76	Correct	0 ms	256 KB	Output is correct
77	Correct	1 ms	256 KB	Output is correct
78	Correct	1 ms	288 KB	Output is correct
79	Correct	1 ms	256 KB	Output is correct
80	Correct	1 ms	256 KB	Output is correct
81	Correct	0 ms	256 KB	Output is correct
82	Correct	0 ms	256 KB	Output is correct
83	Correct	0 ms	256 KB	Output is correct
84	Correct	0 ms	256 KB	Output is correct
85	Correct	0 ms	256 KB	Output is correct
86	Correct	0 ms	256 KB	Output is correct
87	Correct	0 ms	256 KB	Output is correct
88	Correct	1 ms	256 KB	Output is correct
89	Correct	1 ms	256 KB	Output is correct
90	Correct	0 ms	256 KB	Output is correct
91	Correct	0 ms	256 KB	Output is correct