Submission #627604

# Submission time Handle Problem Language Result Execution time Memory
627604 2022-08-12T17:33:39 Z sofapuden Rarest Insects (IOI22_insects) C++17
99.29 / 100
65 ms 416 KB
#include "insects.h"
#include<bits/stdc++.h>

using namespace std;

int min_cardinality(int n) {
	int am = 1;
	move_inside(0);
	vector<int> st(n,0);
	st[0] = 1;
	int sz = 1;
	for(int i = 1; i < n; ++i){
		move_inside(i);
		if(press_button() != 1)move_outside(i);
		else am++, st[i] = 1, sz++;
	}
	int l = 2, r = n/am, cur = 1;
	srand(time(0));
	while(l <= r){
		int m = (l+r)>>1;
		m-=1;
		m+=rand()%3;
		m = max(m,l);
		m = min(m,r);
		vector<int> rem;
		for(int i = 0; i < n; ++i){
			if(st[i])continue;
			sz++;
			move_inside(i);
			if(press_button() > m){
				rem.push_back(i);
				sz--;
				move_outside(i);
			}
		}
		if(sz == am*m){
			for(int i = 0; i < n; ++i)st[i] = 1;
			for(auto x : rem)st[x] = 0;
			cur = m;
			l = m + 1;
		}
		else{
			r = m - 1;
			if(l <= r){
				for(auto x : rem)st[x] = 1;
				for(int i = 0; i < n; ++i){
					if(!st[i]){move_outside(i);sz--;}
				}
			}
		}
	}
	return cur;
}
# Verdict Execution time Memory 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 6 ms 208 KB Output is correct
7 Correct 2 ms 208 KB Output is correct
8 Correct 6 ms 208 KB Output is correct
9 Correct 4 ms 208 KB Output is correct
10 Correct 4 ms 208 KB Output is correct
11 Correct 2 ms 208 KB Output is correct
12 Correct 5 ms 208 KB Output is correct
13 Correct 6 ms 256 KB Output is correct
14 Correct 7 ms 208 KB Output is correct
15 Correct 5 ms 208 KB Output is correct
16 Correct 5 ms 208 KB Output is correct
17 Correct 6 ms 208 KB Output is correct
18 Correct 4 ms 208 KB Output is correct
19 Correct 4 ms 208 KB Output is correct
20 Correct 4 ms 208 KB Output is correct
21 Correct 4 ms 208 KB Output is correct
22 Correct 2 ms 208 KB Output is correct
# Verdict Execution time Memory 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 6 ms 208 KB Output is correct
7 Correct 2 ms 208 KB Output is correct
8 Correct 6 ms 208 KB Output is correct
9 Correct 4 ms 208 KB Output is correct
10 Correct 4 ms 208 KB Output is correct
11 Correct 2 ms 208 KB Output is correct
12 Correct 5 ms 208 KB Output is correct
13 Correct 6 ms 256 KB Output is correct
14 Correct 7 ms 208 KB Output is correct
15 Correct 5 ms 208 KB Output is correct
16 Correct 5 ms 208 KB Output is correct
17 Correct 6 ms 208 KB Output is correct
18 Correct 4 ms 208 KB Output is correct
19 Correct 4 ms 208 KB Output is correct
20 Correct 4 ms 208 KB Output is correct
21 Correct 4 ms 208 KB Output is correct
22 Correct 2 ms 208 KB Output is correct
23 Correct 13 ms 208 KB Output is correct
24 Correct 10 ms 208 KB Output is correct
25 Correct 30 ms 208 KB Output is correct
26 Correct 26 ms 284 KB Output is correct
27 Correct 20 ms 208 KB Output is correct
28 Correct 8 ms 208 KB Output is correct
29 Correct 28 ms 284 KB Output is correct
30 Correct 16 ms 284 KB Output is correct
31 Correct 35 ms 208 KB Output is correct
32 Correct 28 ms 208 KB Output is correct
33 Correct 31 ms 284 KB Output is correct
34 Correct 24 ms 208 KB Output is correct
35 Correct 25 ms 208 KB Output is correct
36 Correct 29 ms 208 KB Output is correct
37 Correct 27 ms 288 KB Output is correct
38 Correct 30 ms 288 KB Output is correct
39 Correct 18 ms 208 KB Output is correct
40 Correct 13 ms 292 KB Output is correct
41 Correct 4 ms 208 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 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 1 ms 208 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 26 ms 208 KB Output is correct
8 Correct 21 ms 208 KB Output is correct
9 Partially correct 65 ms 284 KB Output is partially correct
10 Correct 52 ms 288 KB Output is correct
11 Correct 46 ms 288 KB Output is correct
12 Correct 26 ms 288 KB Output is correct
13 Correct 54 ms 288 KB Output is correct
14 Correct 43 ms 208 KB Output is correct
15 Correct 45 ms 208 KB Output is correct
16 Correct 49 ms 296 KB Output is correct
17 Correct 61 ms 292 KB Output is correct
18 Correct 42 ms 208 KB Output is correct
19 Correct 50 ms 208 KB Output is correct
20 Partially correct 63 ms 288 KB Output is partially correct
21 Correct 31 ms 304 KB Output is correct
22 Correct 56 ms 416 KB Output is correct
23 Correct 25 ms 328 KB Output is correct
24 Correct 24 ms 292 KB Output is correct
25 Correct 33 ms 208 KB Output is correct
26 Correct 16 ms 208 KB Output is correct
27 Correct 46 ms 284 KB Output is correct
28 Correct 52 ms 328 KB Output is correct
29 Correct 59 ms 284 KB Output is correct
30 Correct 45 ms 288 KB Output is correct
31 Correct 52 ms 288 KB Output is correct
32 Partially correct 52 ms 300 KB Output is partially correct
33 Correct 35 ms 208 KB Output is correct
34 Correct 31 ms 288 KB Output is correct
35 Correct 51 ms 284 KB Output is correct
36 Partially correct 58 ms 300 KB Output is partially correct
37 Partially correct 57 ms 208 KB Output is partially correct
38 Partially correct 58 ms 208 KB Output is partially correct
39 Partially correct 54 ms 296 KB Output is partially correct
40 Correct 37 ms 328 KB Output is correct
41 Correct 49 ms 208 KB Output is correct
42 Correct 55 ms 288 KB Output is correct
43 Correct 10 ms 208 KB Output is correct
44 Correct 38 ms 300 KB Output is correct
45 Correct 48 ms 284 KB Output is correct
46 Correct 34 ms 208 KB Output is correct
47 Correct 14 ms 300 KB Output is correct
48 Correct 23 ms 284 KB Output is correct