Submission #627607

# Submission time Handle Problem Language Result Execution time Memory
627607 2022-08-12T17:36:13 Z sofapuden Rarest Insects (IOI22_insects) C++17
99.71 / 100
62 ms 328 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 3 ms 208 KB Output is correct
7 Correct 2 ms 208 KB Output is correct
8 Correct 8 ms 208 KB Output is correct
9 Correct 4 ms 208 KB Output is correct
10 Correct 5 ms 208 KB Output is correct
11 Correct 2 ms 208 KB Output is correct
12 Correct 4 ms 208 KB Output is correct
13 Correct 5 ms 208 KB Output is correct
14 Correct 6 ms 208 KB Output is correct
15 Correct 6 ms 208 KB Output is correct
16 Correct 6 ms 208 KB Output is correct
17 Correct 4 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 6 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 3 ms 208 KB Output is correct
7 Correct 2 ms 208 KB Output is correct
8 Correct 8 ms 208 KB Output is correct
9 Correct 4 ms 208 KB Output is correct
10 Correct 5 ms 208 KB Output is correct
11 Correct 2 ms 208 KB Output is correct
12 Correct 4 ms 208 KB Output is correct
13 Correct 5 ms 208 KB Output is correct
14 Correct 6 ms 208 KB Output is correct
15 Correct 6 ms 208 KB Output is correct
16 Correct 6 ms 208 KB Output is correct
17 Correct 4 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 6 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 32 ms 208 KB Output is correct
24 Correct 8 ms 208 KB Output is correct
25 Correct 26 ms 208 KB Output is correct
26 Correct 31 ms 208 KB Output is correct
27 Correct 26 ms 288 KB Output is correct
28 Correct 9 ms 208 KB Output is correct
29 Correct 25 ms 288 KB Output is correct
30 Correct 25 ms 284 KB Output is correct
31 Correct 17 ms 208 KB Output is correct
32 Correct 33 ms 208 KB Output is correct
33 Correct 35 ms 208 KB Output is correct
34 Correct 30 ms 208 KB Output is correct
35 Correct 31 ms 208 KB Output is correct
36 Correct 29 ms 208 KB Output is correct
37 Correct 22 ms 292 KB Output is correct
38 Correct 22 ms 208 KB Output is correct
39 Correct 19 ms 208 KB Output is correct
40 Correct 11 ms 208 KB Output is correct
41 Correct 11 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 1 ms 208 KB Output is correct
7 Correct 62 ms 208 KB Output is correct
8 Correct 13 ms 208 KB Output is correct
9 Correct 49 ms 208 KB Output is correct
10 Correct 37 ms 304 KB Output is correct
11 Correct 42 ms 288 KB Output is correct
12 Correct 24 ms 292 KB Output is correct
13 Correct 57 ms 212 KB Output is correct
14 Correct 52 ms 296 KB Output is correct
15 Partially correct 58 ms 284 KB Output is partially correct
16 Partially correct 52 ms 208 KB Output is partially correct
17 Partially correct 37 ms 288 KB Output is partially correct
18 Correct 61 ms 208 KB Output is correct
19 Correct 51 ms 208 KB Output is correct
20 Correct 30 ms 292 KB Output is correct
21 Correct 37 ms 304 KB Output is correct
22 Correct 56 ms 328 KB Output is correct
23 Correct 45 ms 292 KB Output is correct
24 Correct 50 ms 288 KB Output is correct
25 Correct 31 ms 296 KB Output is correct
26 Correct 14 ms 208 KB Output is correct
27 Correct 62 ms 288 KB Output is correct
28 Correct 36 ms 288 KB Output is correct
29 Partially correct 54 ms 208 KB Output is partially correct
30 Partially correct 61 ms 284 KB Output is partially correct
31 Correct 56 ms 208 KB Output is correct
32 Correct 61 ms 208 KB Output is correct
33 Correct 40 ms 284 KB Output is correct
34 Correct 43 ms 288 KB Output is correct
35 Correct 25 ms 208 KB Output is correct
36 Correct 51 ms 292 KB Output is correct
37 Correct 38 ms 208 KB Output is correct
38 Correct 59 ms 208 KB Output is correct
39 Correct 54 ms 208 KB Output is correct
40 Correct 46 ms 208 KB Output is correct
41 Correct 58 ms 292 KB Output is correct
42 Correct 26 ms 208 KB Output is correct
43 Correct 14 ms 208 KB Output is correct
44 Correct 51 ms 296 KB Output is correct
45 Correct 61 ms 292 KB Output is correct
46 Correct 23 ms 288 KB Output is correct
47 Correct 24 ms 208 KB Output is correct
48 Correct 25 ms 284 KB Output is correct