oj.uz

Submission #1051775

# Submission time Handle Problem Language Result Execution time Memory
1051775 2024-08-10T09:42:49 Z TahirAliyev Counting Mushrooms (IOI20_mushrooms) C++17
52.5581 / 100
 6 ms 604 KB 
#include "mushrooms.h"
#include <bits/stdc++.h>
using namespace std;
#define pii pair<int, int>
#define ll long long
#define all(v) v.begin(), v.end()
#define oo 1e9
const int B = 150;

int count_mushrooms(int n){
	vector<int> id;
	for(int i = 0; i < n; i++) id.push_back(i);
	random_shuffle(id.begin() + 1, id.end());
	vector<int> one, zer = {0};
	int i = 1;
	for(; i < n && (int)max(zer.size(), one.size()) < B && i < n; i++){
		if(use_machine({0, id[i]})) one.push_back(i);
		else zer.push_back(i);
	}
	int ans = zer.size();
	if(i == n) return ans;
	int t = 1;
	if(zer.size() > one.size()){
		swap(zer, one);
		t = 0;
	} 
	while(i < n){
		vector<int> v;
		for(int j = 0; j < one.size() && i < n; j++, i++){
			v.push_back(id[one[j]]);
			v.push_back(id[i]);
		}
		if(t) ans += (use_machine(v) + 1) / 2;
		else ans += (v.size() / 2) - (use_machine(v) + 1) / 2;
	}
	return ans;
}

Compilation message

mushrooms.cpp: In function 'int count_mushrooms(int)':
mushrooms.cpp:29:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   29 |   for(int j = 0; j < one.size() && i < n; j++, i++){
      |                  ~~^~~~~~~~~~~~

Subtask #1
52.5581 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Partially correct 1 ms 344 KB Output is partially correct
7 Partially correct 3 ms 600 KB Output is partially correct
8 Partially correct 3 ms 600 KB Output is partially correct
9 Partially correct 6 ms 604 KB Output is partially correct
10 Partially correct 5 ms 600 KB Output is partially correct
11 Partially correct 6 ms 600 KB Output is partially correct
12 Partially correct 4 ms 600 KB Output is partially correct
13 Partially correct 3 ms 600 KB Output is partially correct
14 Partially correct 2 ms 344 KB Output is partially correct
15 Partially correct 4 ms 600 KB Output is partially correct
16 Partially correct 4 ms 600 KB Output is partially correct
17 Partially correct 2 ms 544 KB Output is partially correct
18 Partially correct 3 ms 600 KB Output is partially correct
19 Partially correct 5 ms 600 KB Output is partially correct
20 Partially correct 6 ms 600 KB Output is partially correct
21 Partially correct 4 ms 600 KB Output is partially correct
22 Partially correct 4 ms 600 KB Output is partially correct
23 Partially correct 5 ms 600 KB Output is partially correct
24 Partially correct 3 ms 344 KB Output is partially correct
25 Partially correct 4 ms 600 KB Output is partially correct
26 Partially correct 4 ms 600 KB Output is partially correct
27 Partially correct 4 ms 600 KB Output is partially correct
28 Partially correct 4 ms 600 KB Output is partially correct
29 Partially correct 4 ms 600 KB Output is partially correct
30 Partially correct 4 ms 600 KB Output is partially correct
31 Partially correct 6 ms 600 KB Output is partially correct
32 Partially correct 4 ms 600 KB Output is partially correct
33 Partially correct 4 ms 600 KB Output is partially correct
34 Partially correct 6 ms 600 KB Output is partially correct
35 Partially correct 4 ms 600 KB Output is partially correct
36 Partially correct 4 ms 600 KB Output is partially correct
37 Partially correct 6 ms 600 KB Output is partially correct
38 Partially correct 4 ms 600 KB Output is partially correct
39 Partially correct 4 ms 600 KB Output is partially correct
40 Partially correct 6 ms 600 KB Output is partially correct
41 Partially correct 6 ms 600 KB Output is partially correct
42 Partially correct 4 ms 600 KB Output is partially correct
43 Partially correct 4 ms 600 KB Output is partially correct
44 Partially correct 6 ms 600 KB Output is partially correct
45 Partially correct 6 ms 600 KB Output is partially correct
46 Partially correct 4 ms 600 KB Output is partially correct
47 Partially correct 4 ms 600 KB Output is partially correct
48 Partially correct 4 ms 600 KB Output is partially correct
49 Partially correct 4 ms 600 KB Output is partially correct
50 Partially correct 4 ms 600 KB Output is partially correct
51 Partially correct 4 ms 596 KB Output is partially correct
52 Partially correct 4 ms 600 KB Output is partially correct
53 Partially correct 4 ms 600 KB Output is partially correct
54 Partially correct 6 ms 600 KB Output is partially correct
55 Partially correct 5 ms 600 KB Output is partially correct
56 Partially correct 4 ms 600 KB Output is partially correct
57 Partially correct 5 ms 600 KB Output is partially correct
58 Partially correct 5 ms 600 KB Output is partially correct
59 Partially correct 3 ms 600 KB Output is partially correct
60 Partially correct 6 ms 600 KB Output is partially correct
61 Partially correct 4 ms 600 KB Output is partially correct
62 Correct 1 ms 344 KB Output is correct
63 Correct 0 ms 344 KB Output is correct
64 Correct 0 ms 344 KB Output is correct
65 Correct 0 ms 344 KB Output is correct
66 Correct 0 ms 344 KB Output is correct
67 Correct 0 ms 344 KB Output is correct
68 Correct 0 ms 344 KB Output is correct
69 Correct 0 ms 344 KB Output is correct
70 Correct 0 ms 344 KB Output is correct
71 Correct 0 ms 344 KB Output is correct
72 Correct 0 ms 344 KB Output is correct
73 Correct 1 ms 344 KB Output is correct
74 Correct 0 ms 344 KB Output is correct
75 Correct 0 ms 344 KB Output is correct
76 Correct 0 ms 344 KB Output is correct
77 Correct 0 ms 344 KB Output is correct
78 Correct 0 ms 344 KB Output is correct
79 Correct 0 ms 344 KB Output is correct
80 Correct 0 ms 344 KB Output is correct
81 Correct 0 ms 344 KB Output is correct
82 Correct 0 ms 344 KB Output is correct
83 Correct 0 ms 344 KB Output is correct
84 Correct 0 ms 344 KB Output is correct
85 Correct 0 ms 344 KB Output is correct
86 Correct 0 ms 344 KB Output is correct
87 Correct 0 ms 344 KB Output is correct
88 Correct 0 ms 344 KB Output is correct
89 Correct 0 ms 344 KB Output is correct
90 Correct 0 ms 344 KB Output is correct
91 Correct 0 ms 344 KB Output is correct