Submission #627608

# Submission time Handle Problem Language Result Execution time Memory
627608 2022-08-12T17:36:30 Z sofapuden Rarest Insects (IOI22_insects) C++17
99.61 / 100
82 ms 308 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 4 ms 208 KB Output is correct
7 Correct 2 ms 208 KB Output is correct
8 Correct 7 ms 208 KB Output is correct
9 Correct 6 ms 208 KB Output is correct
10 Correct 4 ms 208 KB Output is correct
11 Correct 3 ms 208 KB Output is correct
12 Correct 3 ms 208 KB Output is correct
13 Correct 5 ms 208 KB Output is correct
14 Correct 4 ms 208 KB Output is correct
15 Correct 6 ms 208 KB Output is correct
16 Correct 7 ms 208 KB Output is correct
17 Correct 6 ms 208 KB Output is correct
18 Correct 5 ms 208 KB Output is correct
19 Correct 5 ms 208 KB Output is correct
20 Correct 4 ms 208 KB Output is correct
21 Correct 3 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 4 ms 208 KB Output is correct
7 Correct 2 ms 208 KB Output is correct
8 Correct 7 ms 208 KB Output is correct
9 Correct 6 ms 208 KB Output is correct
10 Correct 4 ms 208 KB Output is correct
11 Correct 3 ms 208 KB Output is correct
12 Correct 3 ms 208 KB Output is correct
13 Correct 5 ms 208 KB Output is correct
14 Correct 4 ms 208 KB Output is correct
15 Correct 6 ms 208 KB Output is correct
16 Correct 7 ms 208 KB Output is correct
17 Correct 6 ms 208 KB Output is correct
18 Correct 5 ms 208 KB Output is correct
19 Correct 5 ms 208 KB Output is correct
20 Correct 4 ms 208 KB Output is correct
21 Correct 3 ms 208 KB Output is correct
22 Correct 2 ms 208 KB Output is correct
23 Correct 21 ms 280 KB Output is correct
24 Correct 12 ms 208 KB Output is correct
25 Correct 29 ms 208 KB Output is correct
26 Correct 27 ms 284 KB Output is correct
27 Correct 25 ms 208 KB Output is correct
28 Correct 11 ms 208 KB Output is correct
29 Correct 23 ms 208 KB Output is correct
30 Correct 29 ms 208 KB Output is correct
31 Correct 22 ms 284 KB Output is correct
32 Correct 31 ms 208 KB Output is correct
33 Correct 30 ms 308 KB Output is correct
34 Correct 25 ms 284 KB Output is correct
35 Correct 28 ms 288 KB Output is correct
36 Correct 31 ms 296 KB Output is correct
37 Correct 32 ms 280 KB Output is correct
38 Correct 24 ms 208 KB Output is correct
39 Correct 26 ms 208 KB Output is correct
40 Correct 14 ms 208 KB Output is correct
41 Correct 5 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 0 ms 208 KB Output is correct
7 Correct 37 ms 300 KB Output is correct
8 Correct 20 ms 208 KB Output is correct
9 Correct 82 ms 292 KB Output is correct
10 Correct 48 ms 284 KB Output is correct
11 Correct 49 ms 288 KB Output is correct
12 Correct 31 ms 288 KB Output is correct
13 Correct 63 ms 288 KB Output is correct
14 Correct 60 ms 208 KB Output is correct
15 Correct 60 ms 292 KB Output is correct
16 Correct 64 ms 288 KB Output is correct
17 Correct 54 ms 288 KB Output is correct
18 Partially correct 54 ms 284 KB Output is partially correct
19 Correct 69 ms 292 KB Output is correct
20 Partially correct 51 ms 208 KB Output is partially correct
21 Correct 50 ms 284 KB Output is correct
22 Partially correct 28 ms 288 KB Output is partially correct
23 Correct 56 ms 296 KB Output is correct
24 Correct 40 ms 208 KB Output is correct
25 Correct 23 ms 292 KB Output is correct
26 Correct 18 ms 208 KB Output is correct
27 Correct 57 ms 208 KB Output is correct
28 Correct 24 ms 208 KB Output is correct
29 Correct 27 ms 288 KB Output is correct
30 Correct 69 ms 292 KB Output is correct
31 Correct 62 ms 208 KB Output is correct
32 Correct 50 ms 288 KB Output is correct
33 Correct 70 ms 288 KB Output is correct
34 Correct 54 ms 288 KB Output is correct
35 Partially correct 50 ms 284 KB Output is partially correct
36 Partially correct 52 ms 208 KB Output is partially correct
37 Correct 48 ms 208 KB Output is correct
38 Correct 52 ms 288 KB Output is correct
39 Correct 56 ms 292 KB Output is correct
40 Correct 47 ms 208 KB Output is correct
41 Correct 56 ms 292 KB Output is correct
42 Correct 64 ms 288 KB Output is correct
43 Correct 11 ms 208 KB Output is correct
44 Correct 52 ms 304 KB Output is correct
45 Correct 25 ms 288 KB Output is correct
46 Correct 16 ms 300 KB Output is correct
47 Correct 34 ms 208 KB Output is correct
48 Correct 27 ms 288 KB Output is correct