oj.uz

Submission #835691

# Submission time Handle Problem Language Result Execution time Memory
835691 2023-08-23T17:39:21 Z BT21tata Counting Mushrooms (IOI20_mushrooms) C++17
88.9764 / 100
 8 ms 320 KB 
#include "mushrooms.h"
#include<bits/stdc++.h>
#define pb push_back
using namespace std;
const int BLOCK=231;
 
vector<int>a, b;
 
int count_mushrooms(int n)
{
	a.pb(0);
	if(n<=220)
	{
		for(int i=1; i<n; i++)
		{
			int cnt=use_machine({0, i});
			if(cnt) b.pb(i);
			else a.pb(i);
		}
		return a.size();
	}
	if(use_machine({0, 1})) b.pb(1);
	else a.pb(1);
 
	if(use_machine({0, 2})) b.pb(2);
	else a.pb(2);
 
	for(int i=3; i<BLOCK; i+=2)
	{
		if(a.size()>=2)
		{
			int cnt=use_machine({i, a[0], i+1, a[1]});
			if(!cnt) a.pb(i), a.pb(i+1);
			else if(cnt==1) b.pb(i), a.pb(i+1);
			else if(cnt==2) a.pb(i), b.pb(i+1);
			else b.pb(i), b.pb(i+1);
		}
		else
		{
			int cnt=use_machine({i, b[0], i+1, b[1]});
			if(!cnt) b.pb(i), b.pb(i+1);
			else if(cnt==1) a.pb(i), b.pb(i+1);
			else if(cnt==2) b.pb(i), a.pb(i+1);
			else a.pb(i), a.pb(i+1);
		}
	}
		
	if(a.size()>b.size())
	{
		int ansb=b.size();
		for(int i=BLOCK; i<n; i+=(a.size()))
		{
			vector<int>cur;
			int pos=0;
			for(int j=i; j<min(n, (int)(i+a.size())); j++)
			{
				cur.pb(a[pos++]);
				cur.pb(j);
			}
			int ret=use_machine(cur);
			ansb+=((ret+1)/2);
			if(!(ret&1)) a.pb(i+a.size()-1), i--;
		}
		return n-ansb;
	}
	else
	{
		int ansa=a.size();
		for(int i=BLOCK; i<n; i+=(b.size()))
		{
			vector<int>cur;
			int pos=0;
			for(int j=i; j<min(n, (int)(i+b.size())); j++)
			{
				cur.pb(b[pos++]);
				cur.pb(j);
			}
			int ret=use_machine(cur);
			ansa+=((ret+1)/2);
			if(!(ret&1)) b.pb(i+b.size()-1), i--;
		}
		return ansa;
	}
}

Subtask #1
88.9764 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 308 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 4 ms 208 KB Output is correct
8 Correct 4 ms 312 KB Output is correct
9 Correct 4 ms 208 KB Output is correct
10 Correct 4 ms 208 KB Output is correct
11 Partially correct 4 ms 208 KB Output is partially correct
12 Correct 4 ms 208 KB Output is correct
13 Correct 5 ms 316 KB Output is correct
14 Correct 2 ms 208 KB Output is correct
15 Partially correct 5 ms 264 KB Output is partially correct
16 Partially correct 6 ms 208 KB Output is partially correct
17 Correct 3 ms 208 KB Output is correct
18 Correct 6 ms 316 KB Output is correct
19 Partially correct 6 ms 208 KB Output is partially correct
20 Correct 7 ms 208 KB Output is correct
21 Partially correct 4 ms 208 KB Output is partially correct
22 Partially correct 4 ms 316 KB Output is partially correct
23 Correct 5 ms 292 KB Output is correct
24 Correct 3 ms 208 KB Output is correct
25 Partially correct 4 ms 316 KB Output is partially correct
26 Partially correct 4 ms 312 KB Output is partially correct
27 Partially correct 6 ms 312 KB Output is partially correct
28 Partially correct 5 ms 320 KB Output is partially correct
29 Partially correct 5 ms 208 KB Output is partially correct
30 Partially correct 5 ms 316 KB Output is partially correct
31 Partially correct 7 ms 208 KB Output is partially correct
32 Partially correct 5 ms 308 KB Output is partially correct
33 Partially correct 6 ms 208 KB Output is partially correct
34 Partially correct 5 ms 208 KB Output is partially correct
35 Partially correct 5 ms 316 KB Output is partially correct
36 Partially correct 4 ms 308 KB Output is partially correct
37 Partially correct 5 ms 320 KB Output is partially correct
38 Partially correct 5 ms 208 KB Output is partially correct
39 Partially correct 6 ms 208 KB Output is partially correct
40 Partially correct 5 ms 316 KB Output is partially correct
41 Partially correct 5 ms 208 KB Output is partially correct
42 Partially correct 5 ms 304 KB Output is partially correct
43 Partially correct 6 ms 320 KB Output is partially correct
44 Partially correct 8 ms 316 KB Output is partially correct
45 Partially correct 8 ms 208 KB Output is partially correct
46 Partially correct 4 ms 208 KB Output is partially correct
47 Partially correct 6 ms 208 KB Output is partially correct
48 Partially correct 7 ms 208 KB Output is partially correct
49 Partially correct 7 ms 208 KB Output is partially correct
50 Partially correct 7 ms 208 KB Output is partially correct
51 Partially correct 4 ms 208 KB Output is partially correct
52 Partially correct 7 ms 208 KB Output is partially correct
53 Partially correct 5 ms 208 KB Output is partially correct
54 Partially correct 4 ms 208 KB Output is partially correct
55 Partially correct 5 ms 208 KB Output is partially correct
56 Partially correct 5 ms 308 KB Output is partially correct
57 Partially correct 5 ms 208 KB Output is partially correct
58 Partially correct 5 ms 308 KB Output is partially correct
59 Partially correct 5 ms 316 KB Output is partially correct
60 Partially correct 4 ms 304 KB Output is partially correct
61 Partially correct 6 ms 312 KB Output is partially correct
62 Correct 1 ms 208 KB Output is correct
63 Correct 0 ms 208 KB Output is correct
64 Correct 1 ms 208 KB Output is correct
65 Correct 0 ms 208 KB Output is correct
66 Correct 0 ms 208 KB Output is correct
67 Correct 0 ms 208 KB Output is correct
68 Correct 1 ms 208 KB Output is correct
69 Correct 0 ms 208 KB Output is correct
70 Correct 0 ms 208 KB Output is correct
71 Correct 0 ms 208 KB Output is correct
72 Correct 0 ms 208 KB Output is correct
73 Correct 0 ms 208 KB Output is correct
74 Correct 0 ms 208 KB Output is correct
75 Correct 0 ms 208 KB Output is correct
76 Correct 0 ms 208 KB Output is correct
77 Correct 0 ms 208 KB Output is correct
78 Correct 0 ms 208 KB Output is correct
79 Correct 0 ms 208 KB Output is correct
80 Correct 0 ms 208 KB Output is correct
81 Correct 0 ms 208 KB Output is correct
82 Correct 0 ms 208 KB Output is correct
83 Correct 0 ms 208 KB Output is correct
84 Correct 0 ms 208 KB Output is correct
85 Correct 0 ms 208 KB Output is correct
86 Correct 0 ms 208 KB Output is correct
87 Correct 0 ms 208 KB Output is correct
88 Correct 0 ms 208 KB Output is correct
89 Correct 0 ms 208 KB Output is correct
90 Correct 0 ms 208 KB Output is correct
91 Correct 1 ms 208 KB Output is correct