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Submission #1080586

# Submission time Handle Problem Language Result Execution time Memory
1080586 2024-08-29T11:26:07 Z Faisal_Saqib Counting Mushrooms (IOI20_mushrooms) C++17
56.6416 / 100
 7 ms 600 KB 
#include "mushrooms.h"
#include <bits/stdc++.h>
using namespace std;
int count_mushrooms(int n) {
	std::vector<int> ind[2];
	ind[0].push_back(0);
	int sq=sqrt(n)+2;
	int rem_i=1;
	while(rem_i<n and max(ind[0].size(),ind[1].size())<sq)
	{
		int x=use_machine({0,rem_i});
		ind[x].push_back(rem_i);
		rem_i++;
	}
	int ans=ind[0].size();
	for(int i=rem_i;i<n;)
	{
		if(ind[0].size()>=ind[1].size())
		{
			vector<int> query;
			int rem=min(n-i,(int)ind[0].size());
			for(int j=0;j<rem;j++)
			{
				query.push_back(ind[0][j]);
				query.push_back(i+j);
			}
			int x=use_machine(query);
			int ones=(x+1)/2;
			int zeros=rem-ones;
			ans+=zeros;
			if(x%2==1)
			{
				ind[1].push_back(i+rem-1);
			}
			else
			{
				ind[0].push_back(i+rem-1);
			}
			i+=rem;
		}
		else
		{
			vector<int> query;
			int rem=min(n-i,(int)ind[1].size());
			for(int j=0;j<rem;j++)
			{
				query.push_back(ind[1][j]);
				query.push_back(i+j);
			}
			int x=use_machine(query);
			int zeros=(x+1)/2;
			ans+=zeros;
			if(x%2==1)
			{
				ind[0].push_back(i+rem-1);
			}
			else
			{
				ind[1].push_back(i+rem-1);
			}
			i+=rem;
		}
	}
	return ans;
}

Compilation message

mushrooms.cpp: In function 'int count_mushrooms(int)':
mushrooms.cpp:9:52: warning: comparison of integer expressions of different signedness: 'const long unsigned int' and 'int' [-Wsign-compare]
    9 |  while(rem_i<n and max(ind[0].size(),ind[1].size())<sq)
      |                    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~

Subtask #1
56.6416 / 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 1 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Partially correct 6 ms 340 KB Output is partially correct
8 Partially correct 3 ms 344 KB Output is partially correct
9 Partially correct 6 ms 344 KB Output is partially correct
10 Partially correct 6 ms 444 KB Output is partially correct
11 Partially correct 6 ms 344 KB Output is partially correct
12 Partially correct 3 ms 344 KB Output is partially correct
13 Partially correct 3 ms 344 KB Output is partially correct
14 Partially correct 2 ms 444 KB Output is partially correct
15 Partially correct 4 ms 344 KB Output is partially correct
16 Partially correct 4 ms 344 KB Output is partially correct
17 Correct 2 ms 344 KB Output is correct
18 Partially correct 3 ms 344 KB Output is partially correct
19 Partially correct 4 ms 344 KB Output is partially correct
20 Partially correct 3 ms 344 KB Output is partially correct
21 Partially correct 4 ms 344 KB Output is partially correct
22 Partially correct 6 ms 344 KB Output is partially correct
23 Partially correct 4 ms 600 KB Output is partially correct
24 Partially correct 3 ms 344 KB Output is partially correct
25 Partially correct 4 ms 344 KB Output is partially correct
26 Partially correct 6 ms 344 KB Output is partially correct
27 Partially correct 4 ms 600 KB Output is partially correct
28 Partially correct 4 ms 344 KB Output is partially correct
29 Partially correct 4 ms 344 KB Output is partially correct
30 Partially correct 4 ms 344 KB Output is partially correct
31 Partially correct 4 ms 344 KB Output is partially correct
32 Partially correct 4 ms 344 KB Output is partially correct
33 Partially correct 4 ms 340 KB Output is partially correct
34 Partially correct 4 ms 344 KB Output is partially correct
35 Partially correct 4 ms 448 KB Output is partially correct
36 Partially correct 4 ms 344 KB Output is partially correct
37 Partially correct 4 ms 344 KB Output is partially correct
38 Partially correct 5 ms 600 KB Output is partially correct
39 Partially correct 4 ms 456 KB Output is partially correct
40 Partially correct 4 ms 344 KB Output is partially correct
41 Partially correct 5 ms 344 KB Output is partially correct
42 Partially correct 7 ms 448 KB Output is partially correct
43 Partially correct 4 ms 344 KB Output is partially correct
44 Partially correct 4 ms 344 KB Output is partially correct
45 Partially correct 4 ms 344 KB Output is partially correct
46 Partially correct 4 ms 344 KB Output is partially correct
47 Partially correct 4 ms 344 KB Output is partially correct
48 Partially correct 4 ms 600 KB Output is partially correct
49 Partially correct 4 ms 444 KB Output is partially correct
50 Partially correct 6 ms 344 KB Output is partially correct
51 Partially correct 4 ms 344 KB Output is partially correct
52 Partially correct 6 ms 344 KB Output is partially correct
53 Partially correct 4 ms 344 KB Output is partially correct
54 Partially correct 4 ms 344 KB Output is partially correct
55 Partially correct 4 ms 440 KB Output is partially correct
56 Partially correct 4 ms 344 KB Output is partially correct
57 Partially correct 5 ms 344 KB Output is partially correct
58 Partially correct 4 ms 344 KB Output is partially correct
59 Partially correct 4 ms 344 KB Output is partially correct
60 Partially correct 4 ms 444 KB Output is partially correct
61 Partially correct 6 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 1 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 0 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 1 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 1 ms 344 KB Output is correct
89 Correct 1 ms 344 KB Output is correct
90 Correct 0 ms 344 KB Output is correct
91 Correct 0 ms 344 KB Output is correct