oj.uz

Submission #758855

# Submission time Handle Problem Language Result Execution time Memory
758855 2023-06-15T11:31:51 Z amunduzbaev Rarest Insects (IOI22_insects) C++17
99.89 / 100
 60 ms 424 KB 
#include "insects.h"

#ifndef EVAL
#include "stub.cpp"
#endif

#include "bits/stdc++.h"
using namespace std;

int min_cardinality(int n) {
	vector<int> used, rem;
	for(int i=0;i<n;i++){
		move_inside(i);
		if(press_button() > 1){
			move_outside(i);
			rem.push_back(i);
		} else {
			used.push_back(i);
		}
	}
	int cnt = used.size();
	for(auto x : used){
		move_outside(x);
	}
	if(cnt == 1){
		return n;
	}
	
	swap(used, rem);
	
	auto check = [&](int mid){
		vector<int> in, rem;
		for(auto x : used){
			move_inside(x);
			if(press_button() > mid){
				move_outside(x);
				rem.push_back(x);
			} else {
				in.push_back(x);
			}
		}
		for(auto x : in) move_outside(x);
		
		if((int)in.size() < mid * cnt){
			swap(used, in);
			return false;
		} else {
			swap(used, rem);
			return true;
		}
	};
	
	int res = 1;
	while((int)used.size() >= cnt){
		int mx = (int)used.size() / cnt;
		int mid = (mx + 1) / 2;
		if(check(mid)){
			res += mid;
		}
	}
	
	return res;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 1 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 2 ms 208 KB Output is correct
7 Correct 2 ms 208 KB Output is correct
8 Correct 4 ms 208 KB Output is correct
9 Correct 5 ms 208 KB Output is correct
10 Correct 4 ms 208 KB Output is correct
11 Correct 2 ms 304 KB Output is correct
12 Correct 3 ms 304 KB Output is correct
13 Correct 3 ms 300 KB Output is correct
14 Correct 3 ms 208 KB Output is correct
15 Correct 4 ms 208 KB Output is correct
16 Correct 4 ms 208 KB Output is correct
17 Correct 5 ms 208 KB Output is correct
18 Correct 4 ms 208 KB Output is correct
19 Correct 4 ms 296 KB Output is correct
20 Correct 4 ms 300 KB Output is correct
21 Correct 3 ms 208 KB Output is correct
22 Correct 2 ms 208 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 1 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 2 ms 208 KB Output is correct
7 Correct 2 ms 208 KB Output is correct
8 Correct 4 ms 208 KB Output is correct
9 Correct 5 ms 208 KB Output is correct
10 Correct 4 ms 208 KB Output is correct
11 Correct 2 ms 304 KB Output is correct
12 Correct 3 ms 304 KB Output is correct
13 Correct 3 ms 300 KB Output is correct
14 Correct 3 ms 208 KB Output is correct
15 Correct 4 ms 208 KB Output is correct
16 Correct 4 ms 208 KB Output is correct
17 Correct 5 ms 208 KB Output is correct
18 Correct 4 ms 208 KB Output is correct
19 Correct 4 ms 296 KB Output is correct
20 Correct 4 ms 300 KB Output is correct
21 Correct 3 ms 208 KB Output is correct
22 Correct 2 ms 208 KB Output is correct
23 Correct 7 ms 208 KB Output is correct
24 Correct 4 ms 304 KB Output is correct
25 Correct 17 ms 300 KB Output is correct
26 Correct 18 ms 304 KB Output is correct
27 Correct 19 ms 296 KB Output is correct
28 Correct 6 ms 208 KB Output is correct
29 Correct 23 ms 300 KB Output is correct
30 Correct 18 ms 208 KB Output is correct
31 Correct 26 ms 300 KB Output is correct
32 Correct 18 ms 304 KB Output is correct
33 Correct 19 ms 304 KB Output is correct
34 Correct 21 ms 304 KB Output is correct
35 Correct 18 ms 208 KB Output is correct
36 Correct 25 ms 296 KB Output is correct
37 Correct 15 ms 288 KB Output is correct
38 Correct 21 ms 300 KB Output is correct
39 Correct 13 ms 304 KB Output is correct
40 Correct 10 ms 208 KB Output is correct
41 Correct 6 ms 308 KB Output is correct

Subtask #3
74.89 / 75.0

# 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 1 ms 208 KB Output is correct
4 Correct 1 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 16 ms 304 KB Output is correct
8 Correct 16 ms 304 KB Output is correct
9 Correct 39 ms 292 KB Output is correct
10 Correct 48 ms 304 KB Output is correct
11 Correct 27 ms 424 KB Output is correct
12 Correct 16 ms 304 KB Output is correct
13 Correct 28 ms 304 KB Output is correct
14 Correct 37 ms 304 KB Output is correct
15 Correct 50 ms 300 KB Output is correct
16 Correct 48 ms 424 KB Output is correct
17 Correct 33 ms 308 KB Output is correct
18 Correct 50 ms 292 KB Output is correct
19 Partially correct 60 ms 304 KB Output is partially correct
20 Correct 37 ms 308 KB Output is correct
21 Correct 45 ms 304 KB Output is correct
22 Correct 24 ms 312 KB Output is correct
23 Correct 34 ms 304 KB Output is correct
24 Correct 37 ms 304 KB Output is correct
25 Correct 25 ms 304 KB Output is correct
26 Correct 13 ms 208 KB Output is correct
27 Correct 40 ms 304 KB Output is correct
28 Correct 46 ms 296 KB Output is correct
29 Partially correct 51 ms 316 KB Output is partially correct
30 Partially correct 41 ms 208 KB Output is partially correct
31 Correct 21 ms 424 KB Output is correct
32 Correct 28 ms 304 KB Output is correct
33 Correct 47 ms 304 KB Output is correct
34 Correct 35 ms 296 KB Output is correct
35 Partially correct 37 ms 208 KB Output is partially correct
36 Partially correct 26 ms 304 KB Output is partially correct
37 Correct 39 ms 296 KB Output is correct
38 Correct 43 ms 208 KB Output is correct
39 Correct 35 ms 304 KB Output is correct
40 Correct 36 ms 208 KB Output is correct
41 Partially correct 35 ms 296 KB Output is partially correct
42 Partially correct 40 ms 300 KB Output is partially correct
43 Correct 9 ms 300 KB Output is correct
44 Correct 27 ms 304 KB Output is correct
45 Correct 35 ms 208 KB Output is correct
46 Correct 19 ms 308 KB Output is correct
47 Correct 24 ms 208 KB Output is correct
48 Correct 24 ms 308 KB Output is correct