oj.uz

Submission #627216

# Submission time Handle Problem Language Result Execution time Memory
627216 2022-08-12T11:29:19 Z model_code Rarest Insects (IOI22_insects) C++17
100 / 100
 75 ms 432 KB 
#include "insects.h"
#include <bits/stdc++.h>
using namespace std;

int min_cardinality(int N) {
  int colors = 0;
  vector <int> insects;
  vector <int> order(N);
  iota(order.begin(),order.end(),0);
  
  mt19937 mt(715082022);
  shuffle(order.begin(),order.end(),mt);
  for (int x : order) {
    move_inside(x);
    if (press_button() == 1) {
      colors++;
    }
    else {
      move_outside(x);
      insects.push_back(x);
    }
  }
  
  int ans = 1;
  int rest = N - colors;
  vector <int> in, out;
  
  while (rest >= colors) {
    int mid = ans + (rest + colors + 1) / (2 * colors);
    
    shuffle(in.begin(),in.end(),mt);
    while ((int)in.size() > mid - ans) {
      int x = in.back();
      in.pop_back();
      insects.push_back(x);
      move_outside(x);
      
      if ((int)in.size() % colors == 0) {
        if (press_button() <= mid) {
          break;
        }
      }
    }
    
    shuffle(insects.begin(),insects.end(),mt);
    for (int x : insects) {
      if ((int)in.size() == colors * (mid - ans)) {
        out.push_back(x);
        continue;
      }
      move_inside(x);
      if ((int)in.size() >= mid - ans && press_button() > mid) {
        move_outside(x);
        out.push_back(x);
      }
      else {
        in.push_back(x);
      }
    }
    
    if ((int)in.size() == colors * (mid - ans)) {
      ans = mid;
      rest = out.size();
      insects = out;
      in.clear();
      out.clear();
    }
    else {
      rest = in.size();
      out.clear();
      insects.clear();
    }
  }
  
  return ans;
}

Subtask #1
10.0 / 10.0

# 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 208 KB Output is correct
6 Correct 2 ms 300 KB Output is correct
7 Correct 2 ms 208 KB Output is correct
8 Correct 5 ms 208 KB Output is correct
9 Correct 2 ms 208 KB Output is correct
10 Correct 3 ms 208 KB Output is correct
11 Correct 2 ms 208 KB Output is correct
12 Correct 6 ms 208 KB Output is correct
13 Correct 5 ms 208 KB Output is correct
14 Correct 3 ms 208 KB Output is correct
15 Correct 7 ms 208 KB Output is correct
16 Correct 8 ms 300 KB Output is correct
17 Correct 9 ms 208 KB Output is correct
18 Correct 5 ms 300 KB Output is correct
19 Correct 4 ms 304 KB Output is correct
20 Correct 4 ms 208 KB Output is correct
21 Correct 3 ms 208 KB Output is correct
22 Correct 2 ms 208 KB Output is correct

Subtask #2
15.0 / 15.0

# 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 208 KB Output is correct
6 Correct 2 ms 300 KB Output is correct
7 Correct 2 ms 208 KB Output is correct
8 Correct 5 ms 208 KB Output is correct
9 Correct 2 ms 208 KB Output is correct
10 Correct 3 ms 208 KB Output is correct
11 Correct 2 ms 208 KB Output is correct
12 Correct 6 ms 208 KB Output is correct
13 Correct 5 ms 208 KB Output is correct
14 Correct 3 ms 208 KB Output is correct
15 Correct 7 ms 208 KB Output is correct
16 Correct 8 ms 300 KB Output is correct
17 Correct 9 ms 208 KB Output is correct
18 Correct 5 ms 300 KB Output is correct
19 Correct 4 ms 304 KB Output is correct
20 Correct 4 ms 208 KB Output is correct
21 Correct 3 ms 208 KB Output is correct
22 Correct 2 ms 208 KB Output is correct
23 Correct 9 ms 208 KB Output is correct
24 Correct 9 ms 208 KB Output is correct
25 Correct 24 ms 296 KB Output is correct
26 Correct 25 ms 312 KB Output is correct
27 Correct 20 ms 308 KB Output is correct
28 Correct 7 ms 208 KB Output is correct
29 Correct 24 ms 308 KB Output is correct
30 Correct 36 ms 312 KB Output is correct
31 Correct 21 ms 312 KB Output is correct
32 Correct 28 ms 308 KB Output is correct
33 Correct 20 ms 308 KB Output is correct
34 Correct 17 ms 304 KB Output is correct
35 Correct 17 ms 208 KB Output is correct
36 Correct 21 ms 312 KB Output is correct
37 Correct 16 ms 208 KB Output is correct
38 Correct 21 ms 308 KB Output is correct
39 Correct 20 ms 308 KB Output is correct
40 Correct 15 ms 416 KB Output is correct
41 Correct 8 ms 304 KB Output is correct

Subtask #3
75.0 / 75.0

# 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 1 ms 208 KB Output is correct
5 Correct 0 ms 208 KB Output is correct
6 Correct 0 ms 208 KB Output is correct
7 Correct 18 ms 292 KB Output is correct
8 Correct 22 ms 208 KB Output is correct
9 Correct 35 ms 432 KB Output is correct
10 Correct 46 ms 208 KB Output is correct
11 Correct 33 ms 316 KB Output is correct
12 Correct 20 ms 308 KB Output is correct
13 Correct 47 ms 316 KB Output is correct
14 Correct 47 ms 336 KB Output is correct
15 Correct 16 ms 316 KB Output is correct
16 Correct 37 ms 316 KB Output is correct
17 Correct 35 ms 316 KB Output is correct
18 Correct 53 ms 308 KB Output is correct
19 Correct 46 ms 312 KB Output is correct
20 Correct 45 ms 312 KB Output is correct
21 Correct 46 ms 312 KB Output is correct
22 Correct 50 ms 316 KB Output is correct
23 Correct 23 ms 336 KB Output is correct
24 Correct 40 ms 316 KB Output is correct
25 Correct 31 ms 304 KB Output is correct
26 Correct 18 ms 288 KB Output is correct
27 Correct 19 ms 312 KB Output is correct
28 Correct 45 ms 208 KB Output is correct
29 Correct 35 ms 320 KB Output is correct
30 Correct 36 ms 316 KB Output is correct
31 Correct 30 ms 316 KB Output is correct
32 Correct 68 ms 308 KB Output is correct
33 Correct 23 ms 332 KB Output is correct
34 Correct 50 ms 308 KB Output is correct
35 Correct 20 ms 336 KB Output is correct
36 Correct 46 ms 316 KB Output is correct
37 Correct 75 ms 308 KB Output is correct
38 Correct 61 ms 320 KB Output is correct
39 Correct 22 ms 312 KB Output is correct
40 Correct 49 ms 312 KB Output is correct
41 Correct 50 ms 308 KB Output is correct
42 Correct 49 ms 308 KB Output is correct
43 Correct 16 ms 308 KB Output is correct
44 Correct 35 ms 308 KB Output is correct
45 Correct 42 ms 312 KB Output is correct
46 Correct 19 ms 300 KB Output is correct
47 Correct 29 ms 312 KB Output is correct
48 Correct 23 ms 312 KB Output is correct