oj.uz

Submission #995160

# Submission time Handle Problem Language Result Execution time Memory
995160 2024-06-08T14:17:45 Z emptypringlescan Counting Mushrooms (IOI20_mushrooms) C++17
80.7143 / 100
 7 ms 788 KB 
#include "mushrooms.h"
#include <bits/stdc++.h>
using namespace std;
int count_mushrooms(int n){
	mt19937 rng(177013);
	int perm[n];
	for(int i=0; i<n; i++) perm[i]=i;
	shuffle(perm+1,perm+n,rng);
	vector<int> r,b;
	r.push_back(0);
	int cur=1,ans=1;
	while(cur<n){
		if(r.size()>=b.size()){
			vector<int> test;
			for(int i=0; i<(int)r.size(); i++){
				if(cur+i>=n) break;
				test.push_back(perm[cur+i]);
				test.push_back(r[i]);
			}
			int x=use_machine(test);
			ans+=(int)test.size()/2-(x+1)/2;
			if(x%2) b.push_back(perm[cur]);
			else r.push_back(perm[cur]);
			cur+=(int)test.size()/2;
		}
		else{
			vector<int> test;
			for(int i=0; i<(int)b.size(); i++){
				if(cur+i>=n) break;
				test.push_back(perm[cur+i]);
				test.push_back(b[i]);
			}
			int x=use_machine(test);
			ans+=(x+1)/2;
			if(x%2) r.push_back(perm[cur]);
			else b.push_back(perm[cur]);
			cur+=(int)test.size()/2;
		}
	}
	
	return ans;
}

Subtask #1
80.7143 / 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 Correct 1 ms 344 KB Output is correct
7 Correct 4 ms 540 KB Output is correct
8 Correct 4 ms 344 KB Output is correct
9 Correct 4 ms 344 KB Output is correct
10 Partially correct 4 ms 344 KB Output is partially correct
11 Partially correct 4 ms 536 KB Output is partially correct
12 Partially correct 4 ms 536 KB Output is partially correct
13 Correct 4 ms 344 KB Output is correct
14 Correct 2 ms 492 KB Output is correct
15 Partially correct 4 ms 344 KB Output is partially correct
16 Partially correct 4 ms 540 KB Output is partially correct
17 Correct 2 ms 344 KB Output is correct
18 Correct 4 ms 344 KB Output is correct
19 Partially correct 6 ms 528 KB Output is partially correct
20 Partially correct 4 ms 344 KB Output is partially correct
21 Partially correct 4 ms 532 KB Output is partially correct
22 Partially correct 4 ms 544 KB Output is partially correct
23 Correct 4 ms 344 KB Output is correct
24 Correct 3 ms 344 KB Output is correct
25 Partially correct 4 ms 544 KB Output is partially correct
26 Partially correct 6 ms 552 KB Output is partially correct
27 Partially correct 5 ms 552 KB Output is partially correct
28 Partially correct 5 ms 540 KB Output is partially correct
29 Partially correct 4 ms 600 KB Output is partially correct
30 Partially correct 4 ms 532 KB Output is partially correct
31 Partially correct 5 ms 540 KB Output is partially correct
32 Partially correct 4 ms 344 KB Output is partially correct
33 Partially correct 4 ms 344 KB Output is partially correct
34 Partially correct 4 ms 344 KB Output is partially correct
35 Partially correct 4 ms 524 KB Output is partially correct
36 Partially correct 4 ms 344 KB Output is partially correct
37 Partially correct 4 ms 552 KB Output is partially correct
38 Partially correct 7 ms 528 KB Output is partially correct
39 Partially correct 4 ms 344 KB Output is partially correct
40 Partially correct 4 ms 528 KB Output is partially correct
41 Partially correct 7 ms 344 KB Output is partially correct
42 Partially correct 4 ms 344 KB Output is partially correct
43 Partially correct 5 ms 600 KB Output is partially correct
44 Partially correct 4 ms 344 KB Output is partially correct
45 Partially correct 4 ms 600 KB Output is partially correct
46 Partially correct 4 ms 556 KB Output is partially correct
47 Partially correct 4 ms 344 KB Output is partially correct
48 Partially correct 4 ms 532 KB Output is partially correct
49 Partially correct 4 ms 340 KB Output is partially correct
50 Partially correct 4 ms 528 KB Output is partially correct
51 Partially correct 4 ms 372 KB Output is partially correct
52 Partially correct 4 ms 344 KB Output is partially correct
53 Partially correct 5 ms 600 KB Output is partially correct
54 Partially correct 4 ms 344 KB Output is partially correct
55 Partially correct 5 ms 600 KB Output is partially correct
56 Partially correct 5 ms 600 KB Output is partially correct
57 Partially correct 6 ms 612 KB Output is partially correct
58 Partially correct 5 ms 788 KB Output is partially correct
59 Partially correct 5 ms 600 KB Output is partially correct
60 Partially correct 4 ms 344 KB Output is partially correct
61 Partially correct 4 ms 524 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 1 ms 344 KB Output is correct
69 Correct 0 ms 340 KB Output is correct
70 Correct 1 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 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 1 ms 344 KB Output is correct
91 Correct 0 ms 344 KB Output is correct