oj.uz

Submission #871223

# Submission time Handle Problem Language Result Execution time Memory
871223 2023-11-10T09:25:14 Z Lib Rarest Insects (IOI22_insects) C++17
99.89 / 100
 35 ms 1184 KB 
#include "insects.h"
#include <bits/stdc++.h>
using namespace std;

int min_cardinality(int N) {
  int colors = 0;
  vector <int> insects;
  for (int i = 0; i < N; i++) {
    move_inside(i);
    if (press_button() == 1) {
      colors++;
    }
    else {
      move_outside(i);
      insects.push_back(i);
    }
  }
  
  int ans = 1;
  int L = 2, R = N/colors;
  while (L <= R) {
    int mid = (L + R)/2;
    vector <int> in, out;
    
    for (int x : insects) {
      move_inside(x);
      if (press_button() > mid) {
        move_outside(x);
        out.push_back(x);
      }
      else {
        in.push_back(x);
      }
    }
    
    if ((int)in.size() == colors * (mid - ans)) {
      L = mid + 1;
      ans = mid;
      insects = out;
    }
    else {
      R = mid - 1;
      insects = in;
      for (int x : insects) {
        move_outside(x);
      }
    }
  }
  
  return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 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 0 ms 344 KB Output is correct
6 Correct 3 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 2 ms 600 KB Output is correct
9 Correct 2 ms 344 KB Output is correct
10 Correct 2 ms 600 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 2 ms 344 KB Output is correct
13 Correct 2 ms 344 KB Output is correct
14 Correct 2 ms 344 KB Output is correct
15 Correct 2 ms 344 KB Output is correct
16 Correct 3 ms 596 KB Output is correct
17 Correct 3 ms 600 KB Output is correct
18 Correct 3 ms 344 KB Output is correct
19 Correct 2 ms 600 KB Output is correct
20 Correct 2 ms 668 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 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 0 ms 344 KB Output is correct
6 Correct 3 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 2 ms 600 KB Output is correct
9 Correct 2 ms 344 KB Output is correct
10 Correct 2 ms 600 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 2 ms 344 KB Output is correct
13 Correct 2 ms 344 KB Output is correct
14 Correct 2 ms 344 KB Output is correct
15 Correct 2 ms 344 KB Output is correct
16 Correct 3 ms 596 KB Output is correct
17 Correct 3 ms 600 KB Output is correct
18 Correct 3 ms 344 KB Output is correct
19 Correct 2 ms 600 KB Output is correct
20 Correct 2 ms 668 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 12 ms 856 KB Output is correct
24 Correct 4 ms 344 KB Output is correct
25 Correct 13 ms 604 KB Output is correct
26 Correct 12 ms 604 KB Output is correct
27 Correct 10 ms 856 KB Output is correct
28 Correct 4 ms 600 KB Output is correct
29 Correct 13 ms 700 KB Output is correct
30 Correct 12 ms 444 KB Output is correct
31 Correct 16 ms 676 KB Output is correct
32 Correct 12 ms 600 KB Output is correct
33 Correct 16 ms 848 KB Output is correct
34 Correct 15 ms 856 KB Output is correct
35 Correct 12 ms 944 KB Output is correct
36 Correct 12 ms 856 KB Output is correct
37 Correct 11 ms 688 KB Output is correct
38 Correct 13 ms 684 KB Output is correct
39 Correct 9 ms 1112 KB Output is correct
40 Correct 7 ms 600 KB Output is correct
41 Correct 4 ms 436 KB Output is correct

Subtask #3
74.89 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 596 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 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 24 ms 856 KB Output is correct
8 Correct 9 ms 344 KB Output is correct
9 Correct 28 ms 604 KB Output is correct
10 Correct 30 ms 440 KB Output is correct
11 Correct 20 ms 1108 KB Output is correct
12 Correct 17 ms 856 KB Output is correct
13 Correct 24 ms 856 KB Output is correct
14 Correct 26 ms 592 KB Output is correct
15 Correct 28 ms 600 KB Output is correct
16 Correct 27 ms 428 KB Output is correct
17 Correct 29 ms 600 KB Output is correct
18 Correct 26 ms 436 KB Output is correct
19 Partially correct 28 ms 808 KB Output is partially correct
20 Correct 28 ms 608 KB Output is correct
21 Correct 35 ms 1184 KB Output is correct
22 Correct 25 ms 696 KB Output is correct
23 Correct 20 ms 848 KB Output is correct
24 Correct 18 ms 856 KB Output is correct
25 Correct 16 ms 668 KB Output is correct
26 Correct 9 ms 600 KB Output is correct
27 Correct 23 ms 852 KB Output is correct
28 Correct 25 ms 596 KB Output is correct
29 Partially correct 29 ms 604 KB Output is partially correct
30 Partially correct 29 ms 604 KB Output is partially correct
31 Correct 28 ms 860 KB Output is correct
32 Correct 23 ms 1112 KB Output is correct
33 Correct 27 ms 856 KB Output is correct
34 Correct 24 ms 928 KB Output is correct
35 Partially correct 30 ms 696 KB Output is partially correct
36 Partially correct 26 ms 440 KB Output is partially correct
37 Correct 27 ms 600 KB Output is correct
38 Correct 28 ms 600 KB Output is correct
39 Correct 26 ms 608 KB Output is correct
40 Correct 24 ms 860 KB Output is correct
41 Partially correct 30 ms 856 KB Output is partially correct
42 Partially correct 31 ms 436 KB Output is partially correct
43 Correct 5 ms 856 KB Output is correct
44 Correct 19 ms 860 KB Output is correct
45 Correct 26 ms 856 KB Output is correct
46 Correct 14 ms 608 KB Output is correct
47 Correct 14 ms 436 KB Output is correct
48 Correct 11 ms 1108 KB Output is correct