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답안 #305324

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
305324 2020-09-23T00:13:39 Z abeker 버섯 세기 (IOI20_mushrooms) C++17
79.8587 / 100
 9 ms 384 KB 
#include <bits/stdc++.h>
#include "mushrooms.h"
using namespace std;

typedef pair <int, int> pii;

int count_mushrooms(int N) {
  int ans = 1;
  int root = sqrt(N);
  vector <vector <int>> by_type(2);
  auto larger = [&]() -> pii {
    vector <pii> tmp(2);
    for (int i = 0; i < 2; i++)
      tmp[i] = {by_type[i].size(), i};
    return max(tmp[0], tmp[1]);
  };
  pii big;
  int pos = 1;
  by_type[0].push_back(0);
  while (pos < N) {
    big = larger();
    if (big.first > root)
      break;
    if (big.first >= 3 && pos < N - 1) {
      int curr = use_machine({by_type[big.second][0], pos, by_type[big.second][1], by_type[big.second][2], pos + 1});
      int x = curr / 2 ^ big.second;
      int y = curr % 2 ^ big.second;
      by_type[x].push_back(pos);
      by_type[y].push_back(pos + 1);
      ans += !x;
      ans += !y;
      pos += 2;
    }
    else {
      int curr = use_machine({0, pos});
      by_type[curr].push_back(pos);
      ans += !curr;
      pos++;
    }
  }
  for (int i = pos; i < N; i += big.first - 1) {
    vector <int> sequence = {by_type[big.second][0]};
    for (int j = i; j < min(N, i + big.first - 1); j++) {
      sequence.push_back(j);
      sequence.push_back(by_type[big.second][j - i + 1]);
    }
    int curr = use_machine(sequence) / 2;
    ans += big.second ? curr : (int)sequence.size() / 2 - curr;
  }
  return ans;
}

Subtask #1
79.8587 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 8 ms 256 KB Output is correct
8 Correct 7 ms 256 KB Output is correct
9 Correct 7 ms 256 KB Output is correct
10 Partially correct 7 ms 384 KB Output is partially correct
11 Partially correct 9 ms 256 KB Output is partially correct
12 Partially correct 7 ms 256 KB Output is partially correct
13 Correct 7 ms 384 KB Output is correct
14 Correct 4 ms 256 KB Output is correct
15 Partially correct 7 ms 256 KB Output is partially correct
16 Partially correct 9 ms 256 KB Output is partially correct
17 Correct 4 ms 256 KB Output is correct
18 Correct 8 ms 256 KB Output is correct
19 Partially correct 7 ms 256 KB Output is partially correct
20 Partially correct 9 ms 256 KB Output is partially correct
21 Partially correct 7 ms 256 KB Output is partially correct
22 Partially correct 7 ms 256 KB Output is partially correct
23 Partially correct 7 ms 256 KB Output is partially correct
24 Correct 5 ms 256 KB Output is correct
25 Partially correct 7 ms 256 KB Output is partially correct
26 Partially correct 7 ms 256 KB Output is partially correct
27 Partially correct 7 ms 256 KB Output is partially correct
28 Partially correct 7 ms 256 KB Output is partially correct
29 Partially correct 8 ms 256 KB Output is partially correct
30 Partially correct 7 ms 256 KB Output is partially correct
31 Partially correct 7 ms 256 KB Output is partially correct
32 Partially correct 7 ms 256 KB Output is partially correct
33 Partially correct 8 ms 256 KB Output is partially correct
34 Partially correct 7 ms 384 KB Output is partially correct
35 Partially correct 8 ms 384 KB Output is partially correct
36 Partially correct 6 ms 372 KB Output is partially correct
37 Partially correct 7 ms 256 KB Output is partially correct
38 Partially correct 9 ms 256 KB Output is partially correct
39 Partially correct 9 ms 256 KB Output is partially correct
40 Partially correct 9 ms 256 KB Output is partially correct
41 Partially correct 8 ms 256 KB Output is partially correct
42 Partially correct 7 ms 256 KB Output is partially correct
43 Partially correct 7 ms 256 KB Output is partially correct
44 Partially correct 7 ms 376 KB Output is partially correct
45 Partially correct 7 ms 256 KB Output is partially correct
46 Partially correct 8 ms 384 KB Output is partially correct
47 Partially correct 7 ms 256 KB Output is partially correct
48 Partially correct 7 ms 256 KB Output is partially correct
49 Partially correct 7 ms 384 KB Output is partially correct
50 Partially correct 8 ms 384 KB Output is partially correct
51 Partially correct 9 ms 256 KB Output is partially correct
52 Partially correct 7 ms 256 KB Output is partially correct
53 Partially correct 6 ms 372 KB Output is partially correct
54 Partially correct 8 ms 256 KB Output is partially correct
55 Partially correct 7 ms 256 KB Output is partially correct
56 Partially correct 7 ms 384 KB Output is partially correct
57 Partially correct 8 ms 256 KB Output is partially correct
58 Partially correct 8 ms 256 KB Output is partially correct
59 Partially correct 7 ms 256 KB Output is partially correct
60 Partially correct 7 ms 256 KB Output is partially correct
61 Partially correct 7 ms 384 KB Output is partially correct
62 Correct 0 ms 256 KB Output is correct
63 Correct 0 ms 256 KB Output is correct
64 Correct 0 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 0 ms 256 KB Output is correct
69 Correct 1 ms 256 KB Output is correct
70 Correct 1 ms 256 KB Output is correct
71 Correct 0 ms 256 KB Output is correct
72 Correct 0 ms 256 KB Output is correct
73 Correct 0 ms 256 KB Output is correct
74 Correct 0 ms 256 KB Output is correct
75 Correct 0 ms 256 KB Output is correct
76 Correct 0 ms 256 KB Output is correct
77 Correct 0 ms 256 KB Output is correct
78 Correct 0 ms 256 KB Output is correct
79 Correct 0 ms 256 KB Output is correct
80 Correct 0 ms 256 KB Output is correct
81 Correct 0 ms 256 KB Output is correct
82 Correct 0 ms 256 KB Output is correct
83 Correct 1 ms 256 KB Output is correct
84 Correct 0 ms 256 KB Output is correct
85 Correct 1 ms 256 KB Output is correct
86 Correct 1 ms 256 KB Output is correct
87 Correct 1 ms 256 KB Output is correct
88 Correct 0 ms 256 KB Output is correct
89 Correct 0 ms 256 KB Output is correct
90 Correct 0 ms 256 KB Output is correct
91 Correct 1 ms 256 KB Output is correct