Submission #1060153

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1060153	2024-08-15T11:01:56 Z	AmirAli_H1	Rarest Insects (IOI22_insects)	C++17	99.57 / 100	48 ms	844 KB

insects

// In the name of Allah

#include <bits/stdc++.h>
#include "insects.h"
using namespace std;

typedef		long long			ll;
typedef		pair<int, int>		pii;
typedef		pair<ll, ll>		pll;

#define		endl				'\n'
#define		sep					' '
#define		F					first
#define		S					second
#define		Mp					make_pair
#define		pb					push_back
#define		all(x)				(x).begin(),(x).end()
#define		len(x)				((ll) (x).size())

const int maxn = 2000 + 4;

int n, k, sz, res;
set<int> st; vector<int> ls;
int M[maxn], Mx[maxn];

void addx(int j) {
	st.insert(j); move_inside(j);
}

void delx(int j) {
	st.erase(j); move_outside(j);
}

int askx() {
	return press_button();
}

void del_all() {
	while (!st.empty()) {
		int j = *st.begin();
		delx(j);
	}
}

void cal_sz() {
	sz = 0;
	for (int i = 0; i < n; i++) {
		if (!M[i]) sz++;
	}
}

void checkx(ll R) {
	del_all();
	fill(Mx, Mx + n, 0); int cnt = 0;
	for (int i = 0; i < n; i++) {
		if (M[i]) continue;
		addx(i);
		if (askx() > R) delx(i);
		else {
			Mx[i] = 1; cnt++;
		}
	}
	if (cnt == k * R) {
		res += R;
		for (int i = 0; i < n; i++) {
			if (M[i]) continue;
			if (Mx[i]) M[i] = 1;
		}
	}
	else {
		del_all();
		for (int i = n - 1; i >= 0; i--) {
			if (M[i]) continue;
			if (!Mx[i]) {
				M[i] = 1;
				addx(i);
				if (askx() > 1) delx(i);
			}
		}
		k -= len(st);
		for (int i = n - 1; i >= 0; i--) {
			if (M[i]) continue;
			addx(i);
			if (askx() > 1) M[i] = 1;
			delx(i);
		}
	}
	
	cal_sz();
}

int min_cardinality(int N) {
	n = N; sz = n;
	
	for (int i = 0; i < n; i++) {
		addx(i);
		if (askx() > 1) delx(i);
	}
	for (int j : st) {
		ls.pb(j); M[j] = 1;
	}
	k = len(ls);
	
	res += 1; cal_sz();
	while (sz >= k) {
		int h = (sz / k);
		if (h == 1) checkx(1);
		else checkx((2 * h) / 3);
	}
	
	return res;
}

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	1 ms	600 KB	Output is correct
6	Correct	3 ms	436 KB	Output is correct
7	Correct	1 ms	344 KB	Output is correct
8	Correct	3 ms	508 KB	Output is correct
9	Correct	4 ms	344 KB	Output is correct
10	Correct	5 ms	600 KB	Output is correct
11	Correct	1 ms	344 KB	Output is correct
12	Correct	4 ms	436 KB	Output is correct
13	Correct	4 ms	448 KB	Output is correct
14	Correct	3 ms	440 KB	Output is correct
15	Correct	4 ms	440 KB	Output is correct
16	Correct	5 ms	440 KB	Output is correct
17	Correct	5 ms	344 KB	Output is correct
18	Correct	4 ms	600 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	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	1 ms	600 KB	Output is correct
6	Correct	3 ms	436 KB	Output is correct
7	Correct	1 ms	344 KB	Output is correct
8	Correct	3 ms	508 KB	Output is correct
9	Correct	4 ms	344 KB	Output is correct
10	Correct	5 ms	600 KB	Output is correct
11	Correct	1 ms	344 KB	Output is correct
12	Correct	4 ms	436 KB	Output is correct
13	Correct	4 ms	448 KB	Output is correct
14	Correct	3 ms	440 KB	Output is correct
15	Correct	4 ms	440 KB	Output is correct
16	Correct	5 ms	440 KB	Output is correct
17	Correct	5 ms	344 KB	Output is correct
18	Correct	4 ms	600 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	12 ms	696 KB	Output is correct
24	Correct	4 ms	344 KB	Output is correct
25	Correct	13 ms	440 KB	Output is correct
26	Correct	18 ms	600 KB	Output is correct
27	Correct	11 ms	344 KB	Output is correct
28	Correct	6 ms	712 KB	Output is correct
29	Correct	14 ms	512 KB	Output is correct
30	Correct	16 ms	448 KB	Output is correct
31	Correct	11 ms	344 KB	Output is correct
32	Correct	10 ms	460 KB	Output is correct
33	Correct	13 ms	600 KB	Output is correct
34	Correct	16 ms	592 KB	Output is correct
35	Correct	13 ms	344 KB	Output is correct
36	Correct	16 ms	692 KB	Output is correct
37	Correct	17 ms	600 KB	Output is correct
38	Correct	9 ms	344 KB	Output is correct
39	Correct	19 ms	344 KB	Output is correct
40	Correct	9 ms	344 KB	Output is correct
41	Correct	6 ms	344 KB	Output is correct

Subtask #3
74.57 / 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	1 ms	344 KB	Output is correct
7	Correct	23 ms	676 KB	Output is correct
8	Correct	11 ms	592 KB	Output is correct
9	Correct	30 ms	680 KB	Output is correct
10	Partially correct	29 ms	344 KB	Output is partially correct
11	Correct	48 ms	600 KB	Output is correct
12	Correct	18 ms	588 KB	Output is correct
13	Correct	32 ms	344 KB	Output is correct
14	Correct	27 ms	600 KB	Output is correct
15	Correct	32 ms	432 KB	Output is correct
16	Correct	34 ms	424 KB	Output is correct
17	Correct	29 ms	592 KB	Output is correct
18	Correct	28 ms	844 KB	Output is correct
19	Correct	27 ms	592 KB	Output is correct
20	Correct	42 ms	592 KB	Output is correct
21	Correct	43 ms	592 KB	Output is correct
22	Correct	28 ms	344 KB	Output is correct
23	Correct	24 ms	344 KB	Output is correct
24	Correct	30 ms	732 KB	Output is correct
25	Correct	20 ms	340 KB	Output is correct
26	Correct	8 ms	600 KB	Output is correct
27	Correct	28 ms	480 KB	Output is correct
28	Correct	22 ms	480 KB	Output is correct
29	Correct	36 ms	692 KB	Output is correct
30	Correct	22 ms	448 KB	Output is correct
31	Correct	45 ms	700 KB	Output is correct
32	Correct	32 ms	600 KB	Output is correct
33	Correct	45 ms	700 KB	Output is correct
34	Correct	30 ms	656 KB	Output is correct
35	Correct	41 ms	676 KB	Output is correct
36	Correct	17 ms	688 KB	Output is correct
37	Correct	23 ms	732 KB	Output is correct
38	Correct	23 ms	344 KB	Output is correct
39	Correct	23 ms	344 KB	Output is correct
40	Correct	26 ms	688 KB	Output is correct
41	Correct	28 ms	440 KB	Output is correct
42	Correct	23 ms	696 KB	Output is correct
43	Partially correct	8 ms	344 KB	Output is partially correct
44	Partially correct	32 ms	436 KB	Output is partially correct
45	Correct	14 ms	344 KB	Output is correct
46	Correct	18 ms	344 KB	Output is correct
47	Correct	14 ms	488 KB	Output is correct
48	Correct	21 ms	436 KB	Output is correct

Submission #1060153

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 15.0 / 15.0

Subtask #3 74.57 / 75.0

Subtask #1
10.0 / 10.0

Subtask #2
15.0 / 15.0

Subtask #3
74.57 / 75.0