oj.uz

Submission #718916

# Submission time Handle Problem Language Result Execution time Memory
718916 2023-04-05T07:02:41 Z baojiaopisu Rarest Insects (IOI22_insects) C++17
99.95 / 100
 62 ms 400 KB 
#include "insects.h"

#include <cassert>
#include <cstdio>

#include <algorithm>
#include <map>
#include <set>
#include <string>
#include <vector>
using namespace std;
#define pb push_back

int min_cardinality(int n) {
  vector<int> curr, q;
  for(int i = 0; i < n; i++) {
    move_inside(i);
    int x = press_button();
    if(x > 1) move_outside(i), q.pb(i);
    else curr.pb(i);
  }

  int num = curr.size();
  int l = 2, r = n / curr.size();
  
  int d = 1, ans = 1; 
  while(l <= r) {
    int mid = (l + r) >> 1;
    vector<int> nxt_q;
    vector<int> cc = curr;
    vector<int> t;

    int cnt = 0;
    for(int i = 0; i < q.size(); i++) {
      move_inside(q[i]);
      int x = press_button();
      if(x > mid) move_outside(q[i]), nxt_q.pb(q[i]);
      else curr.pb(q[i]), t.pb(q[i]), ++cnt;
      if(cnt == (mid - d) * num) {
        for(int j = i + 1; j < q.size(); j++) {
          nxt_q.pb(q[j]);
        }
        break;
      }
    }

    if(cnt == (mid - d) * num) {
      d = mid;
      curr.clear();
      q = nxt_q;
      ans = mid;
      l = mid + 1;
    } else {
      for(auto x : t) move_outside(x);
      curr = cc;
      q = t;
      r = mid - 1;
    }
  }

  return ans;
}

Compilation message

insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:34:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |     for(int i = 0; i < q.size(); i++) {
      |                    ~~^~~~~~~~~~
insects.cpp:40:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   40 |         for(int j = i + 1; j < q.size(); j++) {
      |                            ~~^~~~~~~~~~

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 4 ms 288 KB Output is correct
7 Correct 2 ms 208 KB Output is correct
8 Correct 5 ms 284 KB Output is correct
9 Correct 5 ms 208 KB Output is correct
10 Correct 5 ms 284 KB Output is correct
11 Correct 3 ms 208 KB Output is correct
12 Correct 5 ms 208 KB Output is correct
13 Correct 5 ms 208 KB Output is correct
14 Correct 5 ms 208 KB Output is correct
15 Correct 6 ms 208 KB Output is correct
16 Correct 4 ms 288 KB Output is correct
17 Correct 6 ms 208 KB Output is correct
18 Correct 5 ms 208 KB Output is correct
19 Correct 5 ms 208 KB Output is correct
20 Correct 5 ms 284 KB Output is correct
21 Correct 3 ms 288 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 4 ms 288 KB Output is correct
7 Correct 2 ms 208 KB Output is correct
8 Correct 5 ms 284 KB Output is correct
9 Correct 5 ms 208 KB Output is correct
10 Correct 5 ms 284 KB Output is correct
11 Correct 3 ms 208 KB Output is correct
12 Correct 5 ms 208 KB Output is correct
13 Correct 5 ms 208 KB Output is correct
14 Correct 5 ms 208 KB Output is correct
15 Correct 6 ms 208 KB Output is correct
16 Correct 4 ms 288 KB Output is correct
17 Correct 6 ms 208 KB Output is correct
18 Correct 5 ms 208 KB Output is correct
19 Correct 5 ms 208 KB Output is correct
20 Correct 5 ms 284 KB Output is correct
21 Correct 3 ms 288 KB Output is correct
22 Correct 2 ms 208 KB Output is correct
23 Correct 16 ms 296 KB Output is correct
24 Correct 8 ms 208 KB Output is correct
25 Correct 19 ms 276 KB Output is correct
26 Correct 27 ms 208 KB Output is correct
27 Correct 23 ms 284 KB Output is correct
28 Correct 9 ms 292 KB Output is correct
29 Correct 28 ms 280 KB Output is correct
30 Correct 25 ms 292 KB Output is correct
31 Correct 17 ms 208 KB Output is correct
32 Correct 29 ms 296 KB Output is correct
33 Correct 29 ms 284 KB Output is correct
34 Correct 18 ms 208 KB Output is correct
35 Correct 23 ms 284 KB Output is correct
36 Correct 30 ms 336 KB Output is correct
37 Correct 20 ms 280 KB Output is correct
38 Correct 11 ms 292 KB Output is correct
39 Correct 16 ms 288 KB Output is correct
40 Correct 16 ms 288 KB Output is correct
41 Correct 8 ms 288 KB Output is correct

Subtask #3
74.95 / 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 0 ms 208 KB Output is correct
5 Correct 0 ms 208 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 29 ms 292 KB Output is correct
8 Correct 20 ms 292 KB Output is correct
9 Correct 49 ms 288 KB Output is correct
10 Correct 61 ms 284 KB Output is correct
11 Correct 49 ms 288 KB Output is correct
12 Correct 27 ms 292 KB Output is correct
13 Correct 42 ms 400 KB Output is correct
14 Correct 44 ms 288 KB Output is correct
15 Correct 32 ms 288 KB Output is correct
16 Correct 42 ms 288 KB Output is correct
17 Correct 36 ms 284 KB Output is correct
18 Correct 37 ms 332 KB Output is correct
19 Correct 40 ms 328 KB Output is correct
20 Correct 33 ms 288 KB Output is correct
21 Correct 53 ms 296 KB Output is correct
22 Correct 47 ms 288 KB Output is correct
23 Correct 40 ms 296 KB Output is correct
24 Correct 43 ms 296 KB Output is correct
25 Correct 27 ms 292 KB Output is correct
26 Correct 15 ms 208 KB Output is correct
27 Correct 30 ms 300 KB Output is correct
28 Correct 22 ms 292 KB Output is correct
29 Correct 52 ms 296 KB Output is correct
30 Correct 32 ms 272 KB Output is correct
31 Correct 57 ms 292 KB Output is correct
32 Correct 47 ms 288 KB Output is correct
33 Correct 38 ms 284 KB Output is correct
34 Correct 48 ms 288 KB Output is correct
35 Partially correct 57 ms 208 KB Output is partially correct
36 Correct 50 ms 292 KB Output is correct
37 Correct 62 ms 284 KB Output is correct
38 Correct 53 ms 288 KB Output is correct
39 Correct 46 ms 292 KB Output is correct
40 Correct 35 ms 208 KB Output is correct
41 Correct 39 ms 292 KB Output is correct
42 Partially correct 36 ms 284 KB Output is partially correct
43 Correct 13 ms 208 KB Output is correct
44 Correct 45 ms 292 KB Output is correct
45 Correct 34 ms 292 KB Output is correct
46 Correct 33 ms 336 KB Output is correct
47 Correct 32 ms 284 KB Output is correct
48 Correct 33 ms 280 KB Output is correct