Submission #1063129

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1063129	2024-08-17T14:32:20 Z	Arapak	Rarest Insects (IOI22_insects)	C++17	99.77 / 100	42 ms	680 KB

insects

#include "insects.h"
#include "bits/stdc++.h"

using namespace std;

#define rep(i,a,b) for(int i=(a);i<(b);++i)
#define sz(x) (int)x.size()
#define all(x) begin(x), end(x)
typedef vector<int> vi;
typedef pair<int,int> pii;
typedef long long ll;

#ifdef DEBUG
auto& operator<<(auto& os, pair<auto, auto> &p) {
	return os<<"("<<p.first<<", "<<p.second<<")";
}
auto& operator<<(auto& os, const auto &v) {
	os<<"{";
	for(auto it=begin(v);it!=end(v);++it) {
		if(it != begin(v)) os<<", ";
		os<<(*it);
	}
	return os<<"}";
}

void dbg_out(auto... x) {
	((cerr<<' '<<x), ...) << endl;
}
#define dbg(x...) cerr<<"("<<#x<<"):", dbg_out(x);
#else
#define dbg(...)
#endif

int n;
vi perm;
vi added;

void in(int i) {
	if(added[i]) return;
	added[i] = true;
	move_inside(perm[i]);
}
void out(int i) {
	if(!added[i]) return;
	added[i] = false;
	move_outside(perm[i]);
}

int button() {
	int res = press_button();
	dbg(added, res);
	return res;
}

vi get_k() {
	vi res;
	rep(i,0,n) {
		in(i);
		if(button() > 1)
			out(i);
		else res.push_back(i);
	}
	rep(i,0,n) out(i);
	return res;
}

int k;
vector<bool> removed;

pair<bool, vi> check(int x) {
	rep(i,0,n) {
		if(removed[i]) continue;
		in(i);
		if(button() > x) out(i);
	}
	vi vals;
	rep(i,0,n)
		if(added[i]) vals.push_back(i);
	rep(i,0,n) out(i);
	return {sz(vals) == k*x, vals};
}

int min_cardinality(int N) {
	n = N;
	perm.resize(n);
	iota(all(perm), 0);
	random_shuffle(all(perm));
	added.assign(n, 0);
	vi ind = get_k();
	k = sz(ind);
	removed.assign(n, 0);
	for(auto i : ind)
		removed[i] = true;
	dbg(ind);
	int t = 0;
	int b = 0, e = n / k + 1;
	while(b < e) {
		int mid = (b + e + 1) / 2;
		auto [poss, vals] = check(mid - t);
		if(poss) {
			b = mid;
			for(auto x : vals)
				removed[x] = true;
			t = mid;
		}
		else {
			e = mid - 1;
			fill(all(removed), true);
			for(auto x : vals)
				removed[x] = false;
		}
	}
	return b + 1;
}

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	0 ms	344 KB	Output is correct
5	Correct	0 ms	344 KB	Output is correct
6	Correct	5 ms	600 KB	Output is correct
7	Correct	1 ms	344 KB	Output is correct
8	Correct	3 ms	344 KB	Output is correct
9	Correct	3 ms	344 KB	Output is correct
10	Correct	3 ms	344 KB	Output is correct
11	Correct	1 ms	344 KB	Output is correct
12	Correct	2 ms	344 KB	Output is correct
13	Correct	4 ms	344 KB	Output is correct
14	Correct	3 ms	432 KB	Output is correct
15	Correct	4 ms	436 KB	Output is correct
16	Correct	4 ms	344 KB	Output is correct
17	Correct	3 ms	432 KB	Output is correct
18	Correct	3 ms	344 KB	Output is correct
19	Correct	3 ms	600 KB	Output is correct
20	Correct	2 ms	344 KB	Output is correct
21	Correct	2 ms	344 KB	Output is correct
22	Correct	2 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	0 ms	344 KB	Output is correct
5	Correct	0 ms	344 KB	Output is correct
6	Correct	5 ms	600 KB	Output is correct
7	Correct	1 ms	344 KB	Output is correct
8	Correct	3 ms	344 KB	Output is correct
9	Correct	3 ms	344 KB	Output is correct
10	Correct	3 ms	344 KB	Output is correct
11	Correct	1 ms	344 KB	Output is correct
12	Correct	2 ms	344 KB	Output is correct
13	Correct	4 ms	344 KB	Output is correct
14	Correct	3 ms	432 KB	Output is correct
15	Correct	4 ms	436 KB	Output is correct
16	Correct	4 ms	344 KB	Output is correct
17	Correct	3 ms	432 KB	Output is correct
18	Correct	3 ms	344 KB	Output is correct
19	Correct	3 ms	600 KB	Output is correct
20	Correct	2 ms	344 KB	Output is correct
21	Correct	2 ms	344 KB	Output is correct
22	Correct	2 ms	344 KB	Output is correct
23	Correct	14 ms	344 KB	Output is correct
24	Correct	6 ms	344 KB	Output is correct
25	Correct	21 ms	344 KB	Output is correct
26	Correct	15 ms	344 KB	Output is correct
27	Correct	15 ms	344 KB	Output is correct
28	Correct	6 ms	344 KB	Output is correct
29	Correct	16 ms	600 KB	Output is correct
30	Correct	14 ms	344 KB	Output is correct
31	Correct	22 ms	420 KB	Output is correct
32	Correct	9 ms	344 KB	Output is correct
33	Correct	11 ms	344 KB	Output is correct
34	Correct	13 ms	592 KB	Output is correct
35	Correct	13 ms	600 KB	Output is correct
36	Correct	9 ms	344 KB	Output is correct
37	Correct	16 ms	424 KB	Output is correct
38	Correct	17 ms	440 KB	Output is correct
39	Correct	11 ms	344 KB	Output is correct
40	Correct	14 ms	344 KB	Output is correct
41	Correct	5 ms	344 KB	Output is correct

Subtask #3
74.77 / 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	31 ms	432 KB	Output is correct
8	Correct	12 ms	344 KB	Output is correct
9	Correct	34 ms	428 KB	Output is correct
10	Correct	33 ms	444 KB	Output is correct
11	Correct	29 ms	344 KB	Output is correct
12	Correct	18 ms	592 KB	Output is correct
13	Correct	30 ms	424 KB	Output is correct
14	Correct	28 ms	344 KB	Output is correct
15	Correct	27 ms	680 KB	Output is correct
16	Correct	32 ms	428 KB	Output is correct
17	Correct	42 ms	424 KB	Output is correct
18	Correct	26 ms	444 KB	Output is correct
19	Correct	40 ms	436 KB	Output is correct
20	Correct	24 ms	592 KB	Output is correct
21	Correct	31 ms	436 KB	Output is correct
22	Partially correct	24 ms	440 KB	Output is partially correct
23	Correct	30 ms	424 KB	Output is correct
24	Correct	34 ms	588 KB	Output is correct
25	Correct	28 ms	432 KB	Output is correct
26	Correct	18 ms	448 KB	Output is correct
27	Correct	26 ms	592 KB	Output is correct
28	Correct	42 ms	444 KB	Output is correct
29	Correct	35 ms	588 KB	Output is correct
30	Correct	29 ms	436 KB	Output is correct
31	Partially correct	31 ms	428 KB	Output is partially correct
32	Partially correct	27 ms	592 KB	Output is partially correct
33	Correct	21 ms	428 KB	Output is correct
34	Correct	32 ms	432 KB	Output is correct
35	Correct	26 ms	444 KB	Output is correct
36	Correct	27 ms	432 KB	Output is correct
37	Correct	26 ms	444 KB	Output is correct
38	Correct	32 ms	424 KB	Output is correct
39	Correct	23 ms	428 KB	Output is correct
40	Correct	34 ms	440 KB	Output is correct
41	Correct	25 ms	340 KB	Output is correct
42	Correct	30 ms	444 KB	Output is correct
43	Correct	6 ms	344 KB	Output is correct
44	Correct	23 ms	444 KB	Output is correct
45	Correct	36 ms	440 KB	Output is correct
46	Correct	18 ms	432 KB	Output is correct
47	Correct	22 ms	448 KB	Output is correct
48	Correct	18 ms	600 KB	Output is correct

Submission #1063129

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 15.0 / 15.0

Subtask #3 74.77 / 75.0

Subtask #1
10.0 / 10.0

Subtask #2
15.0 / 15.0

Subtask #3
74.77 / 75.0