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Submission #303666

# Submission time Handle Problem Language Result Execution time Memory
303666 2020-09-20T14:12:45 Z aljasdlas Counting Mushrooms (IOI20_mushrooms) C++14
0 / 100
 169 ms 592 KB 
#include "mushrooms.h"
#include <bits/stdc++.h>
using namespace std;

int count_mushrooms(int n) {
	if(n < 220 && false) {
		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
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 0 ms 256 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Partially correct 14 ms 380 KB Output is partially correct
7 Partially correct 134 ms 500 KB Output is partially correct
8 Partially correct 106 ms 592 KB Output is partially correct
9 Partially correct 99 ms 508 KB Output is partially correct
10 Partially correct 95 ms 428 KB Output is partially correct
11 Partially correct 103 ms 540 KB Output is partially correct
12 Partially correct 110 ms 504 KB Output is partially correct
13 Partially correct 120 ms 496 KB Output is partially correct
14 Partially correct 71 ms 408 KB Output is partially correct
15 Partially correct 150 ms 420 KB Output is partially correct
16 Partially correct 92 ms 540 KB Output is partially correct
17 Partially correct 49 ms 432 KB Output is partially correct
18 Partially correct 114 ms 476 KB Output is partially correct
19 Partially correct 169 ms 516 KB Output is partially correct
20 Partially correct 101 ms 428 KB Output is partially correct
21 Partially correct 112 ms 508 KB Output is partially correct
22 Partially correct 104 ms 592 KB Output is partially correct
23 Partially correct 80 ms 492 KB Output is partially correct
24 Partially correct 53 ms 420 KB Output is partially correct
25 Partially correct 99 ms 492 KB Output is partially correct
26 Partially correct 109 ms 540 KB Output is partially correct
27 Partially correct 126 ms 536 KB Output is partially correct
28 Partially correct 128 ms 540 KB Output is partially correct
29 Partially correct 125 ms 532 KB Output is partially correct
30 Partially correct 83 ms 536 KB Output is partially correct
31 Partially correct 110 ms 548 KB Output is partially correct
32 Partially correct 99 ms 452 KB Output is partially correct
33 Partially correct 108 ms 544 KB Output is partially correct
34 Partially correct 140 ms 528 KB Output is partially correct
35 Partially correct 73 ms 540 KB Output is partially correct
36 Partially correct 86 ms 540 KB Output is partially correct
37 Partially correct 153 ms 536 KB Output is partially correct
38 Partially correct 138 ms 544 KB Output is partially correct
39 Partially correct 60 ms 540 KB Output is partially correct
40 Partially correct 68 ms 536 KB Output is partially correct
41 Partially correct 86 ms 536 KB Output is partially correct
42 Partially correct 129 ms 452 KB Output is partially correct
43 Partially correct 127 ms 528 KB Output is partially correct
44 Partially correct 104 ms 528 KB Output is partially correct
45 Partially correct 121 ms 540 KB Output is partially correct
46 Partially correct 120 ms 536 KB Output is partially correct
47 Partially correct 61 ms 540 KB Output is partially correct
48 Partially correct 81 ms 576 KB Output is partially correct
49 Partially correct 124 ms 544 KB Output is partially correct
50 Partially correct 126 ms 540 KB Output is partially correct
51 Partially correct 79 ms 536 KB Output is partially correct
52 Partially correct 120 ms 532 KB Output is partially correct
53 Partially correct 109 ms 536 KB Output is partially correct
54 Partially correct 69 ms 540 KB Output is partially correct
55 Partially correct 90 ms 540 KB Output is partially correct
56 Partially correct 108 ms 540 KB Output is partially correct
57 Partially correct 128 ms 540 KB Output is partially correct
58 Partially correct 76 ms 540 KB Output is partially correct
59 Partially correct 111 ms 528 KB Output is partially correct
60 Partially correct 71 ms 536 KB Output is partially correct
61 Partially correct 124 ms 448 KB Output is partially correct
62 Incorrect 0 ms 256 KB Invalid value 2 in the query array.
63 Halted 0 ms 0 KB -