Submission #627605

# Submission time Handle Problem Language Result Execution time Memory
627605 2022-08-12T17:34:16 Z sofapuden Rarest Insects (IOI22_insects) C++17
97.62 / 100
78 ms 412 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 5 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 5 ms 208 KB Output is correct
9 Correct 6 ms 208 KB Output is correct
10 Correct 3 ms 296 KB Output is correct
11 Correct 2 ms 208 KB Output is correct
12 Correct 3 ms 208 KB Output is correct
13 Correct 7 ms 208 KB Output is correct
14 Correct 5 ms 208 KB Output is correct
15 Correct 7 ms 208 KB Output is correct
16 Correct 5 ms 208 KB Output is correct
17 Correct 7 ms 208 KB Output is correct
18 Correct 5 ms 208 KB Output is correct
19 Correct 7 ms 208 KB Output is correct
20 Correct 3 ms 208 KB Output is correct
21 Correct 3 ms 208 KB Output is correct
22 Correct 4 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 5 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 5 ms 208 KB Output is correct
9 Correct 6 ms 208 KB Output is correct
10 Correct 3 ms 296 KB Output is correct
11 Correct 2 ms 208 KB Output is correct
12 Correct 3 ms 208 KB Output is correct
13 Correct 7 ms 208 KB Output is correct
14 Correct 5 ms 208 KB Output is correct
15 Correct 7 ms 208 KB Output is correct
16 Correct 5 ms 208 KB Output is correct
17 Correct 7 ms 208 KB Output is correct
18 Correct 5 ms 208 KB Output is correct
19 Correct 7 ms 208 KB Output is correct
20 Correct 3 ms 208 KB Output is correct
21 Correct 3 ms 208 KB Output is correct
22 Correct 4 ms 208 KB Output is correct
23 Correct 15 ms 300 KB Output is correct
24 Correct 10 ms 208 KB Output is correct
25 Correct 30 ms 208 KB Output is correct
26 Correct 29 ms 284 KB Output is correct
27 Correct 19 ms 208 KB Output is correct
28 Correct 8 ms 208 KB Output is correct
29 Correct 27 ms 208 KB Output is correct
30 Correct 26 ms 280 KB Output is correct
31 Correct 13 ms 208 KB Output is correct
32 Correct 32 ms 280 KB Output is correct
33 Correct 21 ms 208 KB Output is correct
34 Correct 32 ms 284 KB Output is correct
35 Correct 45 ms 208 KB Output is correct
36 Correct 30 ms 284 KB Output is correct
37 Correct 29 ms 208 KB Output is correct
38 Correct 22 ms 284 KB Output is correct
39 Correct 22 ms 288 KB Output is correct
40 Correct 16 ms 208 KB Output is correct
41 Correct 8 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 1 ms 208 KB Output is correct
6 Correct 0 ms 208 KB Output is correct
7 Correct 66 ms 284 KB Output is correct
8 Correct 9 ms 208 KB Output is correct
9 Correct 47 ms 412 KB Output is correct
10 Correct 25 ms 208 KB Output is correct
11 Correct 53 ms 288 KB Output is correct
12 Correct 30 ms 284 KB Output is correct
13 Correct 42 ms 288 KB Output is correct
14 Correct 44 ms 288 KB Output is correct
15 Correct 56 ms 208 KB Output is correct
16 Partially correct 56 ms 288 KB Output is partially correct
17 Correct 45 ms 288 KB Output is correct
18 Partially correct 70 ms 300 KB Output is partially correct
19 Correct 49 ms 208 KB Output is correct
20 Correct 37 ms 292 KB Output is correct
21 Correct 43 ms 292 KB Output is correct
22 Partially correct 59 ms 304 KB Output is partially correct
23 Correct 47 ms 208 KB Output is correct
24 Correct 37 ms 284 KB Output is correct
25 Correct 29 ms 288 KB Output is correct
26 Correct 22 ms 208 KB Output is correct
27 Correct 62 ms 296 KB Output is correct
28 Correct 45 ms 288 KB Output is correct
29 Correct 61 ms 292 KB Output is correct
30 Correct 51 ms 208 KB Output is correct
31 Partially correct 61 ms 208 KB Output is partially correct
32 Partially correct 59 ms 208 KB Output is partially correct
33 Correct 53 ms 284 KB Output is correct
34 Correct 51 ms 296 KB Output is correct
35 Partially correct 78 ms 296 KB Output is partially correct
36 Partially correct 68 ms 284 KB Output is partially correct
37 Correct 61 ms 296 KB Output is correct
38 Correct 58 ms 292 KB Output is correct
39 Correct 68 ms 284 KB Output is correct
40 Correct 42 ms 284 KB Output is correct
41 Correct 30 ms 288 KB Output is correct
42 Correct 61 ms 288 KB Output is correct
43 Correct 7 ms 292 KB Output is correct
44 Correct 43 ms 292 KB Output is correct
45 Correct 56 ms 284 KB Output is correct
46 Correct 30 ms 292 KB Output is correct
47 Correct 28 ms 292 KB Output is correct
48 Correct 28 ms 288 KB Output is correct