Submission #772709

# Submission time Handle Problem Language Result Execution time Memory
772709 2023-07-04T10:39:19 Z cadmiumsky Counting Mushrooms (IOI20_mushrooms) C++17
80.7143 / 100
7 ms 448 KB
#include <bits/stdc++.h>
#include "mushrooms.h"
#define all(x) (x).begin(),(x).end()
using namespace std;

using ll = long long;
using ld = long double;

//#define int ll
#define sz(x) ((int)(x).size())

using pii = pair<int,int>;
using tii = tuple<int,int,int>;

int f(int x) { return (x + 1) / 2; }

int count_mushrooms(int n) {
  int cnt[2] = {1, 0};
  vector<int> known[2];
  known[0].emplace_back(0);
  for(int i = 1; i < n;) {
    int T = (sz(known[0]) > sz(known[1])? 0 : 1);
    vector<int> cquery;
    int j;
    for(j = i; j < n && j - i < sz(known[T]); j++)
      cquery.emplace_back(known[T][j - i]),
      cquery.emplace_back(j);
    i = i + sz(known[T]);
    //cerr << i << ":\n";
    //for(auto x : cquery) cerr << x << ' ';
    int A = use_machine(cquery);
    //cerr << "\n" << A << "\n--\n";
    cnt[T ^ 1] += f(A);
    cnt[T] += sz(cquery) / 2 - f(A);
    
    known[T ^ (A % 2)].emplace_back(cquery.back());
    
  }
  return cnt[0];
}

/**
      Anul asta se da centroid.
-- Surse oficiale
*/

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 1 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 208 KB Output is correct
6 Correct 2 ms 308 KB Output is correct
7 Correct 5 ms 336 KB Output is correct
8 Correct 6 ms 348 KB Output is correct
9 Correct 6 ms 336 KB Output is correct
10 Partially correct 5 ms 344 KB Output is partially correct
11 Partially correct 6 ms 336 KB Output is partially correct
12 Partially correct 6 ms 348 KB Output is partially correct
13 Correct 5 ms 312 KB Output is correct
14 Correct 3 ms 208 KB Output is correct
15 Partially correct 5 ms 336 KB Output is partially correct
16 Partially correct 6 ms 320 KB Output is partially correct
17 Correct 4 ms 324 KB Output is correct
18 Correct 6 ms 304 KB Output is correct
19 Partially correct 7 ms 328 KB Output is partially correct
20 Partially correct 5 ms 336 KB Output is partially correct
21 Partially correct 5 ms 336 KB Output is partially correct
22 Partially correct 5 ms 340 KB Output is partially correct
23 Correct 6 ms 336 KB Output is correct
24 Correct 4 ms 300 KB Output is correct
25 Partially correct 5 ms 336 KB Output is partially correct
26 Partially correct 6 ms 336 KB Output is partially correct
27 Partially correct 6 ms 320 KB Output is partially correct
28 Partially correct 6 ms 340 KB Output is partially correct
29 Partially correct 6 ms 308 KB Output is partially correct
30 Partially correct 6 ms 336 KB Output is partially correct
31 Partially correct 5 ms 336 KB Output is partially correct
32 Partially correct 6 ms 244 KB Output is partially correct
33 Partially correct 6 ms 312 KB Output is partially correct
34 Partially correct 5 ms 336 KB Output is partially correct
35 Partially correct 5 ms 348 KB Output is partially correct
36 Partially correct 5 ms 312 KB Output is partially correct
37 Partially correct 7 ms 320 KB Output is partially correct
38 Partially correct 5 ms 336 KB Output is partially correct
39 Partially correct 5 ms 336 KB Output is partially correct
40 Partially correct 7 ms 336 KB Output is partially correct
41 Partially correct 7 ms 312 KB Output is partially correct
42 Partially correct 6 ms 320 KB Output is partially correct
43 Partially correct 6 ms 320 KB Output is partially correct
44 Partially correct 5 ms 332 KB Output is partially correct
45 Partially correct 5 ms 336 KB Output is partially correct
46 Partially correct 6 ms 336 KB Output is partially correct
47 Partially correct 5 ms 336 KB Output is partially correct
48 Partially correct 6 ms 316 KB Output is partially correct
49 Partially correct 7 ms 336 KB Output is partially correct
50 Partially correct 7 ms 336 KB Output is partially correct
51 Partially correct 4 ms 344 KB Output is partially correct
52 Partially correct 7 ms 340 KB Output is partially correct
53 Partially correct 7 ms 316 KB Output is partially correct
54 Partially correct 6 ms 336 KB Output is partially correct
55 Partially correct 7 ms 308 KB Output is partially correct
56 Partially correct 6 ms 312 KB Output is partially correct
57 Partially correct 5 ms 316 KB Output is partially correct
58 Partially correct 4 ms 348 KB Output is partially correct
59 Partially correct 6 ms 336 KB Output is partially correct
60 Partially correct 6 ms 344 KB Output is partially correct
61 Partially correct 7 ms 448 KB Output is partially correct
62 Correct 0 ms 208 KB Output is correct
63 Correct 0 ms 208 KB Output is correct
64 Correct 0 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 1 ms 208 KB Output is correct
68 Correct 0 ms 208 KB Output is correct
69 Correct 0 ms 208 KB Output is correct
70 Correct 1 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 1 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 1 ms 208 KB Output is correct
91 Correct 1 ms 208 KB Output is correct