Submission #304456

# Submission time Handle Problem Language Result Execution time Memory
304456 2020-09-21T11:23:13 Z arnold518 Counting Mushrooms (IOI20_mushrooms) C++14
10 / 100
269 ms 780 KB
#include "mushrooms.h"
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

const int MAXN = 2e4;
const int SQ = 1e4;

int N;

int query(vector<int> V)
{
	return use_machine(V);
}

int count_mushrooms(int _N)
{
	N=_N;

	vector<int> A, B;
	A.push_back(0);

	int p, ans=0;
	for(p=1; p<N && A.size()<=SQ && B.size()<=SQ; p++)
	{
		if(query({0, p})) B.push_back(p);
		else A.push_back(p);
	}
	ans=A.size();

	//printf("%d %d\n", p, A.size());

	if(A.size()>=SQ)
	{
		while(p<N)
		{
			int i, j;
			vector<int> V;
			for(j=0; p<N && j<SQ; p++, j++)
			{
				V.push_back(A[j]);
				V.push_back(p);
			}
			V.push_back(A[j]);
			ans+=j-query(V)/2;
		}
	}
	else
	{
		while(p<N)
		{
			int i, j;
			vector<int> V;
			for(j=0; p<N && j<SQ; p++, j++)
			{
				V.push_back(B[j]);
				V.push_back(p);
			}
			V.push_back(B[j]);
			ans+=query(V)/2;
		}
	}

	return ans;
}

Compilation message

mushrooms.cpp: In function 'int count_mushrooms(int)':
mushrooms.cpp:40:8: warning: unused variable 'i' [-Wunused-variable]
   40 |    int i, j;
      |        ^
mushrooms.cpp:55:8: warning: unused variable 'i' [-Wunused-variable]
   55 |    int i, j;
      |        ^
# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Partially correct 25 ms 376 KB Output is partially correct
7 Partially correct 110 ms 728 KB Output is partially correct
8 Partially correct 110 ms 760 KB Output is partially correct
9 Partially correct 152 ms 760 KB Output is partially correct
10 Partially correct 164 ms 632 KB Output is partially correct
11 Partially correct 254 ms 504 KB Output is partially correct
12 Partially correct 178 ms 580 KB Output is partially correct
13 Partially correct 107 ms 760 KB Output is partially correct
14 Partially correct 85 ms 460 KB Output is partially correct
15 Partially correct 246 ms 508 KB Output is partially correct
16 Partially correct 173 ms 560 KB Output is partially correct
17 Partially correct 129 ms 432 KB Output is partially correct
18 Partially correct 102 ms 780 KB Output is partially correct
19 Partially correct 184 ms 512 KB Output is partially correct
20 Partially correct 109 ms 644 KB Output is partially correct
21 Partially correct 158 ms 516 KB Output is partially correct
22 Partially correct 128 ms 560 KB Output is partially correct
23 Partially correct 147 ms 736 KB Output is partially correct
24 Partially correct 129 ms 376 KB Output is partially correct
25 Partially correct 148 ms 540 KB Output is partially correct
26 Partially correct 203 ms 448 KB Output is partially correct
27 Partially correct 185 ms 540 KB Output is partially correct
28 Partially correct 193 ms 448 KB Output is partially correct
29 Partially correct 269 ms 504 KB Output is partially correct
30 Partially correct 186 ms 560 KB Output is partially correct
31 Partially correct 245 ms 540 KB Output is partially correct
32 Partially correct 195 ms 576 KB Output is partially correct
33 Partially correct 195 ms 532 KB Output is partially correct
34 Partially correct 187 ms 448 KB Output is partially correct
35 Partially correct 202 ms 552 KB Output is partially correct
36 Partially correct 243 ms 536 KB Output is partially correct
37 Partially correct 230 ms 452 KB Output is partially correct
38 Partially correct 180 ms 508 KB Output is partially correct
39 Partially correct 237 ms 504 KB Output is partially correct
40 Partially correct 151 ms 504 KB Output is partially correct
41 Partially correct 173 ms 532 KB Output is partially correct
42 Partially correct 165 ms 556 KB Output is partially correct
43 Partially correct 197 ms 504 KB Output is partially correct
44 Partially correct 203 ms 632 KB Output is partially correct
45 Partially correct 236 ms 552 KB Output is partially correct
46 Partially correct 213 ms 504 KB Output is partially correct
47 Partially correct 181 ms 504 KB Output is partially correct
48 Partially correct 227 ms 504 KB Output is partially correct
49 Partially correct 170 ms 632 KB Output is partially correct
50 Partially correct 163 ms 504 KB Output is partially correct
51 Partially correct 238 ms 444 KB Output is partially correct
52 Partially correct 259 ms 536 KB Output is partially correct
53 Partially correct 197 ms 508 KB Output is partially correct
54 Partially correct 179 ms 420 KB Output is partially correct
55 Partially correct 193 ms 544 KB Output is partially correct
56 Partially correct 243 ms 544 KB Output is partially correct
57 Partially correct 266 ms 416 KB Output is partially correct
58 Partially correct 142 ms 540 KB Output is partially correct
59 Partially correct 233 ms 540 KB Output is partially correct
60 Partially correct 217 ms 544 KB Output is partially correct
61 Partially correct 196 ms 516 KB Output is partially correct
62 Correct 0 ms 256 KB Output is correct
63 Correct 1 ms 256 KB Output is correct
64 Correct 1 ms 256 KB Output is correct
65 Correct 1 ms 256 KB Output is correct
66 Correct 0 ms 256 KB Output is correct
67 Correct 0 ms 256 KB Output is correct
68 Correct 1 ms 256 KB Output is correct
69 Correct 1 ms 256 KB Output is correct
70 Correct 0 ms 256 KB Output is correct
71 Correct 1 ms 256 KB Output is correct
72 Correct 0 ms 256 KB Output is correct
73 Correct 1 ms 384 KB Output is correct
74 Correct 1 ms 256 KB Output is correct
75 Correct 0 ms 256 KB Output is correct
76 Correct 1 ms 256 KB Output is correct
77 Correct 1 ms 256 KB Output is correct
78 Correct 0 ms 256 KB Output is correct
79 Correct 1 ms 256 KB Output is correct
80 Correct 1 ms 384 KB Output is correct
81 Correct 1 ms 256 KB Output is correct
82 Correct 1 ms 256 KB Output is correct
83 Correct 1 ms 256 KB Output is correct
84 Correct 1 ms 256 KB Output is correct
85 Correct 0 ms 256 KB Output is correct
86 Correct 0 ms 256 KB Output is correct
87 Correct 0 ms 256 KB Output is correct
88 Correct 1 ms 256 KB Output is correct
89 Correct 1 ms 256 KB Output is correct
90 Correct 0 ms 256 KB Output is correct
91 Correct 0 ms 256 KB Output is correct