답안 #974139

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
974139 2024-05-02T21:54:16 Z aaaaaarroz 드문 곤충 (IOI22_insects) C++17
100 / 100
41 ms 1368 KB
    #include "insects.h"
    #include<bits/stdc++.h>
    using namespace std;
     
    const int NN = 1e5 + 10;
     
    bool in[NN];
     
    mt19937 rng(10184104810471);
     
    int rnd(int l, int r) {
      return l + rng() % (r - l + 1);
    }
     
    int min_cardinality(int n) {
      int type = 0;
      vector<int> candidate;
      for(int i = 0; i < n; i++) {
        move_inside(i);
        if (press_button() == 1) {
          ++type;
          in[i] = 1;
        }
        else {
          move_outside(i);
          candidate.push_back(i);
        }
      }
     
      int l = 2, r = n / type, ans = 1;
      int cur = 1;
     
      while (l <= r) {
        shuffle(candidate.begin(), candidate.end(), rng);
        int mid = type <= 100 ? (l + r + 1) / 2 : (l + r) / 2;
        assert(cur <= mid);
        int last = cur;
        for(auto &i : candidate) {
          move_inside(i);
          int nxt = press_button();
          if (nxt > mid) {
            move_outside(i);
            in[i] = 0;
          }
          else {
            cur = nxt;
            in[i] = 1;
          }
        }
        int total = 0;
        for(int i = 0; i < n; i++) total += in[i];
        vector<int> _candidate;
     
        if (cur == mid && mid * type == total) {
          for(auto &i : candidate) if (!in[i]) _candidate.push_back(i);
          l = mid + 1;
          ans = mid;
        }
        else {
          for(auto &i : candidate) if (in[i]) {
            _candidate.push_back(i);
            move_outside(i);
            in[i] = 0;
          }
          r = mid - 1;
          cur = last;
        }
        candidate = _candidate;
      }
      return ans;
    }
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 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 500 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 2 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 344 KB Output is correct
11 Correct 2 ms 344 KB Output is correct
12 Correct 4 ms 644 KB Output is correct
13 Correct 3 ms 600 KB Output is correct
14 Correct 5 ms 344 KB Output is correct
15 Correct 3 ms 344 KB Output is correct
16 Correct 2 ms 344 KB Output is correct
17 Correct 3 ms 600 KB Output is correct
18 Correct 2 ms 600 KB Output is correct
19 Correct 2 ms 344 KB Output is correct
20 Correct 2 ms 600 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 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 500 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 2 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 344 KB Output is correct
11 Correct 2 ms 344 KB Output is correct
12 Correct 4 ms 644 KB Output is correct
13 Correct 3 ms 600 KB Output is correct
14 Correct 5 ms 344 KB Output is correct
15 Correct 3 ms 344 KB Output is correct
16 Correct 2 ms 344 KB Output is correct
17 Correct 3 ms 600 KB Output is correct
18 Correct 2 ms 600 KB Output is correct
19 Correct 2 ms 344 KB Output is correct
20 Correct 2 ms 600 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 15 ms 600 KB Output is correct
24 Correct 6 ms 344 KB Output is correct
25 Correct 14 ms 600 KB Output is correct
26 Correct 14 ms 344 KB Output is correct
27 Correct 12 ms 600 KB Output is correct
28 Correct 6 ms 600 KB Output is correct
29 Correct 14 ms 600 KB Output is correct
30 Correct 13 ms 600 KB Output is correct
31 Correct 19 ms 600 KB Output is correct
32 Correct 19 ms 856 KB Output is correct
33 Correct 13 ms 600 KB Output is correct
34 Correct 15 ms 600 KB Output is correct
35 Correct 13 ms 600 KB Output is correct
36 Correct 14 ms 344 KB Output is correct
37 Correct 15 ms 600 KB Output is correct
38 Correct 13 ms 600 KB Output is correct
39 Correct 9 ms 596 KB Output is correct
40 Correct 6 ms 600 KB Output is correct
41 Correct 4 ms 600 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 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 1 ms 344 KB Output is correct
7 Correct 24 ms 456 KB Output is correct
8 Correct 9 ms 432 KB Output is correct
9 Correct 30 ms 856 KB Output is correct
10 Correct 26 ms 604 KB Output is correct
11 Correct 24 ms 600 KB Output is correct
12 Correct 14 ms 448 KB Output is correct
13 Correct 25 ms 864 KB Output is correct
14 Correct 28 ms 600 KB Output is correct
15 Correct 29 ms 600 KB Output is correct
16 Correct 31 ms 1016 KB Output is correct
17 Correct 27 ms 856 KB Output is correct
18 Correct 29 ms 860 KB Output is correct
19 Correct 23 ms 600 KB Output is correct
20 Correct 27 ms 600 KB Output is correct
21 Correct 32 ms 856 KB Output is correct
22 Correct 25 ms 696 KB Output is correct
23 Correct 23 ms 960 KB Output is correct
24 Correct 18 ms 708 KB Output is correct
25 Correct 18 ms 452 KB Output is correct
26 Correct 9 ms 600 KB Output is correct
27 Correct 27 ms 696 KB Output is correct
28 Correct 23 ms 1112 KB Output is correct
29 Correct 27 ms 608 KB Output is correct
30 Correct 27 ms 600 KB Output is correct
31 Correct 32 ms 688 KB Output is correct
32 Correct 30 ms 856 KB Output is correct
33 Correct 25 ms 1204 KB Output is correct
34 Correct 26 ms 604 KB Output is correct
35 Correct 28 ms 696 KB Output is correct
36 Correct 34 ms 856 KB Output is correct
37 Correct 29 ms 600 KB Output is correct
38 Correct 34 ms 444 KB Output is correct
39 Correct 29 ms 952 KB Output is correct
40 Correct 23 ms 1368 KB Output is correct
41 Correct 30 ms 856 KB Output is correct
42 Correct 26 ms 856 KB Output is correct
43 Correct 6 ms 600 KB Output is correct
44 Correct 26 ms 856 KB Output is correct
45 Correct 41 ms 688 KB Output is correct
46 Correct 12 ms 600 KB Output is correct
47 Correct 14 ms 1104 KB Output is correct
48 Correct 12 ms 424 KB Output is correct