oj.uz

Submission #1018907

# Submission time Handle Problem Language Result Execution time Memory
1018907 2024-07-10T10:46:02 Z NintsiChkhaidze Counting Mushrooms (IOI20_mushrooms) C++17
80.7143 / 100
 6 ms 868 KB 
#include "mushrooms.h"
#include <bits/stdc++.h>
#define pb push_back
using namespace std;

vector <int> v[3];

int count_mushrooms(int n) {
	v[0].pb(0);
	
	int bl = log2(n);
	for (int i = 1; i <= min(bl,n - 1); i++){
		vector <int> k; k.pb(0); k.pb(i);
		int res = use_machine(k);
		if (!res) v[0].pb(i);
		else v[1].pb(i);
	}
	
	int ans = (int)v[0].size();
	int id = bl + 1;
	
	while (id < n){
		int m = max(v[0].size(),v[1].size()),d;
		vector <int> vec;
		if (m == v[0].size()){
			vec = v[0]; 
			d = 0;
		}else{
			vec = v[1];
			d = 1;
		}
		
		vector <int> k;
		int len = 0;
		for (int i = id; i <= min(n - 1,id + m - 1); i++){
			++len;
			k.pb(i);
			k.pb(vec[i - id]);
		}
		int s = use_machine(k);
		int ls = s % 2;
		s -= ls;
		int sum = s/2 + ls;
		
		if (d) ans += sum;
		else ans += (len - sum);
		
		if (!ls) v[d].pb(id);
		else v[!d].pb(id);
		
		id += m;
	}
	
	return ans;
}

Compilation message

mushrooms.cpp: In function 'int count_mushrooms(int)':
mushrooms.cpp:25:9: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |   if (m == v[0].size()){
      |       ~~^~~~~~~~~~~~~~

Subtask #1
80.7143 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 0 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 3 ms 344 KB Output is correct
8 Correct 3 ms 344 KB Output is correct
9 Correct 3 ms 344 KB Output is correct
10 Partially correct 3 ms 344 KB Output is partially correct
11 Partially correct 4 ms 600 KB Output is partially correct
12 Partially correct 3 ms 344 KB Output is partially correct
13 Correct 3 ms 344 KB Output is correct
14 Correct 2 ms 344 KB Output is correct
15 Partially correct 3 ms 480 KB Output is partially correct
16 Partially correct 6 ms 344 KB Output is partially correct
17 Correct 2 ms 344 KB Output is correct
18 Correct 3 ms 444 KB Output is correct
19 Partially correct 4 ms 344 KB Output is partially correct
20 Partially correct 3 ms 464 KB Output is partially correct
21 Partially correct 3 ms 444 KB Output is partially correct
22 Partially correct 4 ms 344 KB Output is partially correct
23 Partially correct 6 ms 464 KB Output is partially correct
24 Correct 3 ms 460 KB Output is correct
25 Partially correct 5 ms 600 KB Output is partially correct
26 Partially correct 4 ms 344 KB Output is partially correct
27 Partially correct 3 ms 344 KB Output is partially correct
28 Partially correct 3 ms 452 KB Output is partially correct
29 Partially correct 3 ms 344 KB Output is partially correct
30 Partially correct 3 ms 456 KB Output is partially correct
31 Partially correct 4 ms 344 KB Output is partially correct
32 Partially correct 6 ms 476 KB Output is partially correct
33 Partially correct 4 ms 344 KB Output is partially correct
34 Partially correct 4 ms 476 KB Output is partially correct
35 Partially correct 4 ms 476 KB Output is partially correct
36 Partially correct 4 ms 344 KB Output is partially correct
37 Partially correct 6 ms 868 KB Output is partially correct
38 Partially correct 4 ms 340 KB Output is partially correct
39 Partially correct 6 ms 456 KB Output is partially correct
40 Partially correct 3 ms 344 KB Output is partially correct
41 Partially correct 4 ms 344 KB Output is partially correct
42 Partially correct 4 ms 344 KB Output is partially correct
43 Partially correct 3 ms 344 KB Output is partially correct
44 Partially correct 3 ms 456 KB Output is partially correct
45 Partially correct 4 ms 600 KB Output is partially correct
46 Partially correct 3 ms 344 KB Output is partially correct
47 Partially correct 3 ms 344 KB Output is partially correct
48 Partially correct 4 ms 344 KB Output is partially correct
49 Partially correct 6 ms 448 KB Output is partially correct
50 Partially correct 6 ms 456 KB Output is partially correct
51 Partially correct 4 ms 600 KB Output is partially correct
52 Partially correct 4 ms 344 KB Output is partially correct
53 Partially correct 3 ms 600 KB Output is partially correct
54 Partially correct 6 ms 344 KB Output is partially correct
55 Partially correct 6 ms 344 KB Output is partially correct
56 Partially correct 3 ms 476 KB Output is partially correct
57 Partially correct 4 ms 344 KB Output is partially correct
58 Partially correct 4 ms 472 KB Output is partially correct
59 Partially correct 3 ms 600 KB Output is partially correct
60 Partially correct 3 ms 344 KB Output is partially correct
61 Partially correct 3 ms 344 KB Output is partially correct
62 Correct 0 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 1 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