Submission #627610

# Submission time Handle Problem Language Result Execution time Memory
627610 2022-08-12T17:37:05 Z sofapuden Rarest Insects (IOI22_insects) C++17
98.76 / 100
76 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 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 7 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 6 ms 276 KB Output is correct
9 Correct 3 ms 208 KB Output is correct
10 Correct 6 ms 300 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 208 KB Output is correct
14 Correct 6 ms 208 KB Output is correct
15 Correct 9 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 4 ms 208 KB Output is correct
19 Correct 6 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 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 7 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 6 ms 276 KB Output is correct
9 Correct 3 ms 208 KB Output is correct
10 Correct 6 ms 300 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 208 KB Output is correct
14 Correct 6 ms 208 KB Output is correct
15 Correct 9 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 4 ms 208 KB Output is correct
19 Correct 6 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 30 ms 284 KB Output is correct
24 Correct 11 ms 208 KB Output is correct
25 Correct 29 ms 284 KB Output is correct
26 Correct 27 ms 208 KB Output is correct
27 Correct 26 ms 208 KB Output is correct
28 Correct 11 ms 208 KB Output is correct
29 Correct 12 ms 304 KB Output is correct
30 Correct 27 ms 208 KB Output is correct
31 Correct 24 ms 288 KB Output is correct
32 Correct 26 ms 284 KB Output is correct
33 Correct 27 ms 332 KB Output is correct
34 Correct 31 ms 280 KB Output is correct
35 Correct 23 ms 208 KB Output is correct
36 Correct 17 ms 284 KB Output is correct
37 Correct 20 ms 284 KB Output is correct
38 Correct 32 ms 208 KB Output is correct
39 Correct 17 ms 304 KB Output is correct
40 Correct 22 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 0 ms 208 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 59 ms 284 KB Output is correct
8 Correct 15 ms 208 KB Output is correct
9 Correct 63 ms 416 KB Output is correct
10 Correct 26 ms 292 KB Output is correct
11 Correct 40 ms 208 KB Output is correct
12 Correct 30 ms 292 KB Output is correct
13 Correct 56 ms 292 KB Output is correct
14 Correct 66 ms 300 KB Output is correct
15 Correct 44 ms 288 KB Output is correct
16 Correct 43 ms 208 KB Output is correct
17 Correct 26 ms 208 KB Output is correct
18 Correct 50 ms 288 KB Output is correct
19 Correct 50 ms 208 KB Output is correct
20 Correct 53 ms 412 KB Output is correct
21 Correct 50 ms 208 KB Output is correct
22 Partially correct 58 ms 284 KB Output is partially correct
23 Correct 44 ms 208 KB Output is correct
24 Correct 48 ms 208 KB Output is correct
25 Correct 35 ms 208 KB Output is correct
26 Correct 20 ms 208 KB Output is correct
27 Correct 50 ms 208 KB Output is correct
28 Correct 43 ms 208 KB Output is correct
29 Correct 59 ms 292 KB Output is correct
30 Correct 50 ms 284 KB Output is correct
31 Correct 32 ms 208 KB Output is correct
32 Correct 50 ms 284 KB Output is correct
33 Correct 59 ms 288 KB Output is correct
34 Partially correct 41 ms 284 KB Output is partially correct
35 Correct 55 ms 288 KB Output is correct
36 Correct 57 ms 208 KB Output is correct
37 Correct 52 ms 284 KB Output is correct
38 Correct 76 ms 288 KB Output is correct
39 Correct 46 ms 208 KB Output is correct
40 Correct 33 ms 284 KB Output is correct
41 Correct 44 ms 328 KB Output is correct
42 Correct 54 ms 288 KB Output is correct
43 Correct 15 ms 208 KB Output is correct
44 Correct 36 ms 208 KB Output is correct
45 Correct 62 ms 208 KB Output is correct
46 Correct 24 ms 284 KB Output is correct
47 Correct 14 ms 208 KB Output is correct
48 Correct 32 ms 300 KB Output is correct