Submission #635639

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
635639	2022-08-26T14:34:19 Z	ruhanhabib39	Rarest Insects (IOI22_insects)	C++17	95.9 / 100	79 ms	644 KB

insects

#include "insects.h"

#include <set>
#include <iostream>

namespace ruhan {
   using namespace std;

   int N;
   set<int> insects;
   set<int> machine, new_added;

   int last_pb = -1;

   void work (int k) {
      new_added.clear();

      for (int i : insects) {
         if (machine.count(i)) continue;

         move_inside(i);

         last_pb = press_button();
         if (last_pb <= k) {
            machine.insert(i);
            new_added.insert(i);
         } else {
            move_outside(i);
         }
      }
   }

   void undo () {
      for (int i : new_added) {
         move_outside(i);
         machine.erase(i);
      }
      new_added.clear();
   }

   int min_cardinality (int N_) {
      N = N_;
      machine.clear();
      new_added.clear();

      last_pb = -1;
      
      insects.clear();

      for (int i = 0; i < N; i++) {
         insects.insert(i);
      }

      work(1);
      const int T = machine.size();

      if (T == 1) return N;
      if (last_pb == 1) return 1;

      int x = 1;
      while (x <= N) x <<= 1;
      x >>= 1;

      int k = 1;
      for (; x > 0; x >>= 1) {
         if ((k + x) * T > N) continue;

         work (k + x);
         if ((int)machine.size() == (k + x) * T) {
            k += x;
         } else {
            insects = machine;
            undo();
         }
      }

      return k;
   }
};

int min_cardinality(int N) {
   return ruhan::min_cardinality(N);
}

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	0 ms	208 KB	Output is correct
6	Correct	2 ms	208 KB	Output is correct
7	Correct	2 ms	208 KB	Output is correct
8	Correct	6 ms	308 KB	Output is correct
9	Correct	5 ms	308 KB	Output is correct
10	Correct	6 ms	304 KB	Output is correct
11	Correct	2 ms	208 KB	Output is correct
12	Correct	7 ms	208 KB	Output is correct
13	Correct	6 ms	208 KB	Output is correct
14	Correct	5 ms	208 KB	Output is correct
15	Correct	4 ms	336 KB	Output is correct
16	Correct	5 ms	208 KB	Output is correct
17	Correct	8 ms	208 KB	Output is correct
18	Correct	5 ms	312 KB	Output is correct
19	Correct	7 ms	208 KB	Output is correct
20	Correct	4 ms	256 KB	Output is correct
21	Correct	3 ms	316 KB	Output is correct
22	Correct	3 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	0 ms	208 KB	Output is correct
6	Correct	2 ms	208 KB	Output is correct
7	Correct	2 ms	208 KB	Output is correct
8	Correct	6 ms	308 KB	Output is correct
9	Correct	5 ms	308 KB	Output is correct
10	Correct	6 ms	304 KB	Output is correct
11	Correct	2 ms	208 KB	Output is correct
12	Correct	7 ms	208 KB	Output is correct
13	Correct	6 ms	208 KB	Output is correct
14	Correct	5 ms	208 KB	Output is correct
15	Correct	4 ms	336 KB	Output is correct
16	Correct	5 ms	208 KB	Output is correct
17	Correct	8 ms	208 KB	Output is correct
18	Correct	5 ms	312 KB	Output is correct
19	Correct	7 ms	208 KB	Output is correct
20	Correct	4 ms	256 KB	Output is correct
21	Correct	3 ms	316 KB	Output is correct
22	Correct	3 ms	208 KB	Output is correct
23	Correct	8 ms	336 KB	Output is correct
24	Correct	10 ms	344 KB	Output is correct
25	Correct	23 ms	340 KB	Output is correct
26	Correct	28 ms	340 KB	Output is correct
27	Correct	20 ms	336 KB	Output is correct
28	Correct	15 ms	368 KB	Output is correct
29	Correct	26 ms	336 KB	Output is correct
30	Correct	31 ms	344 KB	Output is correct
31	Correct	24 ms	336 KB	Output is correct
32	Correct	31 ms	344 KB	Output is correct
33	Correct	38 ms	356 KB	Output is correct
34	Correct	26 ms	392 KB	Output is correct
35	Correct	27 ms	348 KB	Output is correct
36	Correct	26 ms	340 KB	Output is correct
37	Correct	37 ms	388 KB	Output is correct
38	Correct	35 ms	336 KB	Output is correct
39	Correct	26 ms	360 KB	Output is correct
40	Correct	18 ms	364 KB	Output is correct
41	Correct	10 ms	400 KB	Output is correct

Subtask #3
70.9 / 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	22 ms	336 KB	Output is correct
8	Correct	11 ms	548 KB	Output is correct
9	Correct	46 ms	384 KB	Output is correct
10	Partially correct	58 ms	504 KB	Output is partially correct
11	Correct	56 ms	336 KB	Output is correct
12	Correct	14 ms	496 KB	Output is correct
13	Partially correct	48 ms	388 KB	Output is partially correct
14	Partially correct	53 ms	456 KB	Output is partially correct
15	Correct	61 ms	452 KB	Output is correct
16	Correct	50 ms	456 KB	Output is correct
17	Correct	62 ms	632 KB	Output is correct
18	Correct	40 ms	516 KB	Output is correct
19	Partially correct	63 ms	504 KB	Output is partially correct
20	Correct	63 ms	460 KB	Output is correct
21	Partially correct	56 ms	512 KB	Output is partially correct
22	Partially correct	42 ms	640 KB	Output is partially correct
23	Partially correct	71 ms	456 KB	Output is partially correct
24	Correct	37 ms	468 KB	Output is correct
25	Correct	29 ms	416 KB	Output is correct
26	Correct	22 ms	488 KB	Output is correct
27	Correct	58 ms	428 KB	Output is correct
28	Correct	61 ms	396 KB	Output is correct
29	Partially correct	68 ms	504 KB	Output is partially correct
30	Partially correct	62 ms	484 KB	Output is partially correct
31	Partially correct	79 ms	508 KB	Output is partially correct
32	Partially correct	63 ms	520 KB	Output is partially correct
33	Partially correct	73 ms	548 KB	Output is partially correct
34	Partially correct	62 ms	644 KB	Output is partially correct
35	Partially correct	68 ms	616 KB	Output is partially correct
36	Partially correct	63 ms	500 KB	Output is partially correct
37	Partially correct	77 ms	528 KB	Output is partially correct
38	Partially correct	72 ms	508 KB	Output is partially correct
39	Correct	69 ms	424 KB	Output is correct
40	Correct	79 ms	380 KB	Output is correct
41	Correct	40 ms	584 KB	Output is correct
42	Correct	32 ms	524 KB	Output is correct
43	Correct	13 ms	320 KB	Output is correct
44	Correct	56 ms	376 KB	Output is correct
45	Correct	52 ms	368 KB	Output is correct
46	Correct	29 ms	464 KB	Output is correct
47	Correct	39 ms	464 KB	Output is correct
48	Correct	39 ms	576 KB	Output is correct

Submission #635639

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 15.0 / 15.0

Subtask #3 70.9 / 75.0

Subtask #1
10.0 / 10.0

Subtask #2
15.0 / 15.0

Subtask #3
70.9 / 75.0