답안 #635639

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
635639 2022-08-26T14:34:19 Z ruhanhabib39 드문 곤충 (IOI22_insects) C++17
95.9 / 100
79 ms 644 KB
#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);
}
# 결과 실행 시간 메모리 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
# 결과 실행 시간 메모리 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
# 결과 실행 시간 메모리 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