oj.uz

Submission #1029072

# Submission time Handle Problem Language Result Execution time Memory
1029072 2024-07-20T11:58:59 Z 42kangaroo Rarest Insects (IOI22_insects) C++17
99.79 / 100
 44 ms 1028 KB 
#include "insects.h"
#include "bits/stdc++.h"

using namespace std;

int min_cardinality(int N) {
	set<int> inside, outside;
	for (int i = 0; i < N; ++i) {
		move_inside(i);
		if (press_button() > 1) {
			outside.insert(i);
			move_outside(i);
		} else {
			inside.insert(i);
		}
	}
	int k = inside.size();
	int l = 1, r = N/k + 1;
	while (l + 1 < r) {
		int m = (l + r + 1)/2;
		set<int> nIn, nOut;
		for (auto e: outside) {
			move_inside(e);
			if (press_button() > m) {
				nOut.insert(e);
				move_outside(e);
			} else nIn.insert(e);
		}
		if ((inside.size() + nIn.size()) == m*k) {
			l = m;
			outside = nOut;
			inside.insert(nIn.begin(), nIn.end());
		} else {
			r = m;
			for (auto e: nIn) {
				move_outside(e);
			}
			outside = nIn;
		}
	}
	return l;
}

Compilation message

insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:29:36: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   29 |   if ((inside.size() + nIn.size()) == m*k) {
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 1 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 344 KB Output is correct
9 Correct 3 ms 344 KB Output is correct
10 Correct 2 ms 448 KB Output is correct
11 Correct 1 ms 600 KB Output is correct
12 Correct 3 ms 344 KB Output is correct
13 Correct 3 ms 448 KB Output is correct
14 Correct 3 ms 340 KB Output is correct
15 Correct 3 ms 344 KB Output is correct
16 Correct 3 ms 344 KB Output is correct
17 Correct 3 ms 344 KB Output is correct
18 Correct 3 ms 344 KB Output is correct
19 Correct 4 ms 344 KB Output is correct
20 Correct 3 ms 344 KB Output is correct
21 Correct 2 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 1 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 1 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 344 KB Output is correct
9 Correct 3 ms 344 KB Output is correct
10 Correct 2 ms 448 KB Output is correct
11 Correct 1 ms 600 KB Output is correct
12 Correct 3 ms 344 KB Output is correct
13 Correct 3 ms 448 KB Output is correct
14 Correct 3 ms 340 KB Output is correct
15 Correct 3 ms 344 KB Output is correct
16 Correct 3 ms 344 KB Output is correct
17 Correct 3 ms 344 KB Output is correct
18 Correct 3 ms 344 KB Output is correct
19 Correct 4 ms 344 KB Output is correct
20 Correct 3 ms 344 KB Output is correct
21 Correct 2 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 14 ms 684 KB Output is correct
24 Correct 4 ms 344 KB Output is correct
25 Correct 12 ms 344 KB Output is correct
26 Correct 19 ms 860 KB Output is correct
27 Correct 10 ms 344 KB Output is correct
28 Correct 7 ms 340 KB Output is correct
29 Correct 9 ms 344 KB Output is correct
30 Correct 9 ms 344 KB Output is correct
31 Correct 16 ms 344 KB Output is correct
32 Correct 14 ms 600 KB Output is correct
33 Correct 14 ms 856 KB Output is correct
34 Correct 16 ms 608 KB Output is correct
35 Correct 24 ms 592 KB Output is correct
36 Correct 13 ms 500 KB Output is correct
37 Correct 14 ms 344 KB Output is correct
38 Correct 14 ms 344 KB Output is correct
39 Correct 24 ms 344 KB Output is correct
40 Correct 7 ms 344 KB Output is correct
41 Correct 7 ms 692 KB Output is correct

Subtask #3
74.79 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 30 ms 600 KB Output is correct
8 Correct 15 ms 344 KB Output is correct
9 Correct 29 ms 600 KB Output is correct
10 Correct 27 ms 592 KB Output is correct
11 Correct 30 ms 1028 KB Output is correct
12 Correct 15 ms 744 KB Output is correct
13 Correct 29 ms 592 KB Output is correct
14 Correct 27 ms 528 KB Output is correct
15 Correct 32 ms 796 KB Output is correct
16 Correct 33 ms 600 KB Output is correct
17 Correct 29 ms 844 KB Output is correct
18 Correct 33 ms 776 KB Output is correct
19 Correct 27 ms 944 KB Output is correct
20 Correct 41 ms 824 KB Output is correct
21 Correct 32 ms 708 KB Output is correct
22 Correct 24 ms 592 KB Output is correct
23 Correct 39 ms 600 KB Output is correct
24 Correct 21 ms 592 KB Output is correct
25 Correct 15 ms 344 KB Output is correct
26 Correct 8 ms 344 KB Output is correct
27 Correct 24 ms 740 KB Output is correct
28 Correct 28 ms 840 KB Output is correct
29 Correct 24 ms 700 KB Output is correct
30 Correct 44 ms 592 KB Output is correct
31 Correct 26 ms 820 KB Output is correct
32 Correct 30 ms 756 KB Output is correct
33 Partially correct 34 ms 344 KB Output is partially correct
34 Partially correct 35 ms 736 KB Output is partially correct
35 Correct 29 ms 736 KB Output is correct
36 Correct 27 ms 808 KB Output is correct
37 Correct 35 ms 600 KB Output is correct
38 Correct 27 ms 780 KB Output is correct
39 Correct 27 ms 516 KB Output is correct
40 Correct 36 ms 788 KB Output is correct
41 Correct 33 ms 848 KB Output is correct
42 Correct 27 ms 716 KB Output is correct
43 Correct 8 ms 600 KB Output is correct
44 Correct 22 ms 840 KB Output is correct
45 Correct 33 ms 644 KB Output is correct
46 Correct 15 ms 484 KB Output is correct
47 Correct 24 ms 600 KB Output is correct
48 Correct 13 ms 628 KB Output is correct