oj.uz

Submission #1078949

# Submission time Handle Problem Language Result Execution time Memory
1078949 2024-08-28T08:33:17 Z Gromp15 Rarest Insects (IOI22_insects) C++17
70 / 100
 85 ms 1104 KB 
#include <bits/stdc++.h>
#define sz(x) (int)x.size()
#define all(x) x.begin(), x.end()
#include "insects.h"
using namespace std;
template<typename T> bool ckmin(T &a, const T &b) { return a > b ? a = b, 1 : 0; }
template<typename T> bool ckmax(T &a, const T &b) { return a < b ? a = b, 1 : 0; }

int min_cardinality(int N) {
	vector<int> groups{0};
	move_inside(0);
	for (int i = 1; i < N; i++) {
		move_inside(i);
		if (press_button() > 1) move_outside(i);
		else groups.push_back(i);
	}
	for (int x : groups) move_outside(x);
	if (sz(groups) >= 45) {
		int l = 2, r = N / sz(groups), ans = 1;
		while (l <= r) {
			int mid = (l+r)/2;
			vector<int> got;
			for (int i = 0; i < N; i++) {
				move_inside(i);
				if (press_button() > mid) move_outside(i);
				else got.push_back(i);
			}
			if (sz(got) == mid * sz(groups)) ans = mid, l = mid+1;
			else r = mid-1;
			for (int x : got) move_outside(x);
		}
		return ans;
	}
	int ans = 1e9;
	auto solve = [&](auto&& s, vector<int> v, vector<int> pot) -> void {
		if (sz(v) == 1) {
			ckmin(ans, sz(pot)); return;
		}
		vector<int> hf(v.begin(), v.begin() + sz(v) / 2), other(v.begin() + sz(v) / 2, v.end());
		for (int x : hf) move_inside(x);
		vector<int> A, B;
		for (int x : pot) {
			if (find(all(hf), x) != hf.end()) A.emplace_back(x);
			else {
				move_inside(x);
				if (press_button() > 1) {
					A.emplace_back(x);
				}
				else {
					B.emplace_back(x);
				}
				move_outside(x);
			}
		}
		for (int x : hf) move_outside(x);
		s(s, hf, A);
		s(s, other, B);
	};
	vector<int> tot(N);
	iota(all(tot), 0);
	solve(solve, groups, tot);
	return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory 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 596 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 6 ms 344 KB Output is correct
9 Correct 7 ms 600 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 4 ms 344 KB Output is correct
13 Correct 4 ms 432 KB Output is correct
14 Correct 4 ms 344 KB Output is correct
15 Correct 3 ms 340 KB Output is correct
16 Correct 6 ms 344 KB Output is correct
17 Correct 4 ms 600 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 3 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 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 596 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 6 ms 344 KB Output is correct
9 Correct 7 ms 600 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 4 ms 344 KB Output is correct
13 Correct 4 ms 432 KB Output is correct
14 Correct 4 ms 344 KB Output is correct
15 Correct 3 ms 340 KB Output is correct
16 Correct 6 ms 344 KB Output is correct
17 Correct 4 ms 600 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 3 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 4 ms 600 KB Output is correct
24 Correct 4 ms 344 KB Output is correct
25 Correct 25 ms 440 KB Output is correct
26 Correct 40 ms 680 KB Output is correct
27 Correct 10 ms 608 KB Output is correct
28 Correct 5 ms 344 KB Output is correct
29 Correct 13 ms 344 KB Output is correct
30 Correct 37 ms 612 KB Output is correct
31 Correct 11 ms 344 KB Output is correct
32 Correct 18 ms 600 KB Output is correct
33 Correct 27 ms 432 KB Output is correct
34 Correct 30 ms 432 KB Output is correct
35 Correct 25 ms 696 KB Output is correct
36 Correct 30 ms 684 KB Output is correct
37 Correct 25 ms 600 KB Output is correct
38 Correct 19 ms 344 KB Output is correct
39 Correct 9 ms 344 KB Output is correct
40 Correct 12 ms 592 KB Output is correct
41 Correct 3 ms 344 KB Output is correct

Subtask #3
45.0 / 75.0

# Verdict Execution time Memory 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 0 ms 344 KB Output is correct
7 Correct 9 ms 440 KB Output is correct
8 Correct 10 ms 344 KB Output is correct
9 Partially correct 74 ms 704 KB Output is partially correct
10 Partially correct 77 ms 692 KB Output is partially correct
11 Correct 21 ms 412 KB Output is correct
12 Correct 24 ms 592 KB Output is correct
13 Partially correct 36 ms 1104 KB Output is partially correct
14 Partially correct 76 ms 696 KB Output is partially correct
15 Partially correct 38 ms 848 KB Output is partially correct
16 Partially correct 41 ms 680 KB Output is partially correct
17 Partially correct 50 ms 700 KB Output is partially correct
18 Partially correct 47 ms 684 KB Output is partially correct
19 Partially correct 60 ms 644 KB Output is partially correct
20 Partially correct 75 ms 592 KB Output is partially correct
21 Partially correct 68 ms 432 KB Output is partially correct
22 Partially correct 77 ms 424 KB Output is partially correct
23 Partially correct 30 ms 344 KB Output is partially correct
24 Correct 38 ms 672 KB Output is correct
25 Correct 22 ms 592 KB Output is correct
26 Correct 8 ms 444 KB Output is correct
27 Partially correct 59 ms 344 KB Output is partially correct
28 Partially correct 54 ms 428 KB Output is partially correct
29 Partially correct 57 ms 616 KB Output is partially correct
30 Partially correct 85 ms 428 KB Output is partially correct
31 Partially correct 61 ms 592 KB Output is partially correct
32 Partially correct 66 ms 924 KB Output is partially correct
33 Partially correct 51 ms 344 KB Output is partially correct
34 Partially correct 59 ms 344 KB Output is partially correct
35 Partially correct 72 ms 344 KB Output is partially correct
36 Partially correct 75 ms 672 KB Output is partially correct
37 Partially correct 60 ms 424 KB Output is partially correct
38 Partially correct 64 ms 668 KB Output is partially correct
39 Partially correct 56 ms 344 KB Output is partially correct
40 Partially correct 59 ms 432 KB Output is partially correct
41 Partially correct 76 ms 596 KB Output is partially correct
42 Partially correct 80 ms 848 KB Output is partially correct
43 Partially correct 10 ms 600 KB Output is partially correct
44 Partially correct 27 ms 688 KB Output is partially correct
45 Correct 21 ms 432 KB Output is correct
46 Correct 21 ms 672 KB Output is correct
47 Correct 17 ms 592 KB Output is correct
48 Correct 17 ms 424 KB Output is correct