Submission #1042558

# Submission time Handle Problem Language Result Execution time Memory
1042558 2024-08-03T07:09:07 Z Alihan_8 Rarest Insects (IOI22_insects) C++17
47.5 / 100
128 ms 932 KB
#include "insects.h"

#include <bits/stdc++.h>

using namespace std;

#define pb push_back
#define ar array
#define all(x) x.begin(), x.end()

template <class F, class S>
bool chmin(F &u, const S &v){
	bool flag = false;
	
	if ( u > v ){
		u = v; flag |= true;
	}
	
	return flag;
}

int min_cardinality(int n) {
	vector <int> p;
	
	for ( int i = 0; i < n; i++ ){
		move_inside(i);
		
		if ( press_button() == 1 ){
			p.pb(i);
		} else{
			move_outside(i);
		}
	}
	
	int k = (int)p.size();
	
	if ( __lg(n / k + 1) >= k && false ){ // random stuff
		vector <int> us(n);
		
		for ( auto &j: p ){
			move_outside(j);
		} p.clear();
		
		vector <int> f;
		
		while ( !*min_element(all(us)) ){
			int cnt = 0;
			
			for ( int i = 0; i < n; i++ ){
				if ( us[i] ) continue;
				
				move_inside(i);
				
				if ( press_button() == cnt + 1 ){
					cnt += 1; p.pb(i);
				} else{
					move_outside(i);
				}
			}
			
			f.pb(cnt);
			
			for ( auto &x: p ){
				us[x] = 1;
				
				move_outside(x);
			} p.clear();
		}
		
		return *min_element(all(f));
	}
	
	for ( auto &x: p ){
		move_outside(x);
	} p.clear();
	
	vector <int> us(n), tmp, rem;
	
	auto ok = [&](int m){
		int cnt = 0;
		
		tmp = p;
		rem.clear();
		
		for ( int i = 0; i < n; i++ ){
			if ( us[i] ) continue;
			
			move_inside(i);
			
			if ( press_button() > m ){
				move_outside(i);
				
				rem.pb(i);
			} else{
				tmp.pb(i);
				cnt += 1;
			}
		}
		
		return cnt == k * m;
	};
	
	int l = 1, r = n / k + 1;
	
	while ( l + 1 < r ){
		int m = (l + r) / 2;
		
		if ( ok(m) ){
			for ( auto &x: p ){
				us[x] = 1;
			} l = m;
		}
		else{
			for ( auto &x: rem ){
				us[x] = 1;
			} 
			
			for ( auto &x: tmp ){
				move_outside(x);
			} tmp.clear();
			
			r = m;
		}
	}
	
	return l;
}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 10 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 6 ms 344 KB Output is correct
9 Correct 3 ms 344 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 3 ms 344 KB Output is correct
13 Correct 2 ms 344 KB Output is correct
14 Correct 5 ms 344 KB Output is correct
15 Correct 7 ms 344 KB Output is correct
16 Correct 5 ms 436 KB Output is correct
17 Correct 6 ms 600 KB Output is correct
18 Correct 3 ms 376 KB Output is correct
19 Correct 4 ms 344 KB Output is correct
20 Correct 3 ms 344 KB Output is correct
21 Correct 2 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 10 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 6 ms 344 KB Output is correct
9 Correct 3 ms 344 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 3 ms 344 KB Output is correct
13 Correct 2 ms 344 KB Output is correct
14 Correct 5 ms 344 KB Output is correct
15 Correct 7 ms 344 KB Output is correct
16 Correct 5 ms 436 KB Output is correct
17 Correct 6 ms 600 KB Output is correct
18 Correct 3 ms 376 KB Output is correct
19 Correct 4 ms 344 KB Output is correct
20 Correct 3 ms 344 KB Output is correct
21 Correct 2 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 54 ms 436 KB Output is correct
24 Correct 3 ms 344 KB Output is correct
25 Correct 34 ms 688 KB Output is correct
26 Correct 14 ms 344 KB Output is correct
27 Correct 13 ms 436 KB Output is correct
28 Correct 5 ms 344 KB Output is correct
29 Correct 15 ms 436 KB Output is correct
30 Correct 12 ms 340 KB Output is correct
31 Correct 52 ms 600 KB Output is correct
32 Correct 44 ms 600 KB Output is correct
33 Correct 38 ms 428 KB Output is correct
34 Correct 49 ms 600 KB Output is correct
35 Correct 28 ms 592 KB Output is correct
36 Correct 19 ms 344 KB Output is correct
37 Correct 26 ms 344 KB Output is correct
38 Correct 12 ms 344 KB Output is correct
39 Correct 11 ms 448 KB Output is correct
40 Correct 10 ms 344 KB Output is correct
41 Correct 4 ms 444 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Partially correct 0 ms 344 KB Output is partially correct
7 Partially correct 128 ms 672 KB Output is partially correct
8 Correct 5 ms 344 KB Output is correct
9 Partially correct 93 ms 592 KB Output is partially correct
10 Partially correct 43 ms 592 KB Output is partially correct
11 Correct 21 ms 440 KB Output is correct
12 Correct 16 ms 344 KB Output is correct
13 Correct 25 ms 344 KB Output is correct
14 Correct 32 ms 592 KB Output is correct
15 Partially correct 91 ms 848 KB Output is partially correct
16 Partially correct 116 ms 664 KB Output is partially correct
17 Partially correct 71 ms 864 KB Output is partially correct
18 Partially correct 64 ms 684 KB Output is partially correct
19 Partially correct 83 ms 344 KB Output is partially correct
20 Partially correct 88 ms 676 KB Output is partially correct
21 Partially correct 47 ms 864 KB Output is partially correct
22 Partially correct 38 ms 696 KB Output is partially correct
23 Correct 30 ms 428 KB Output is correct
24 Correct 27 ms 592 KB Output is correct
25 Correct 17 ms 592 KB Output is correct
26 Correct 6 ms 444 KB Output is correct
27 Partially correct 63 ms 680 KB Output is partially correct
28 Partially correct 52 ms 600 KB Output is partially correct
29 Partially correct 65 ms 680 KB Output is partially correct
30 Partially correct 89 ms 436 KB Output is partially correct
31 Partially correct 45 ms 600 KB Output is partially correct
32 Partially correct 42 ms 344 KB Output is partially correct
33 Correct 28 ms 600 KB Output is correct
34 Correct 23 ms 432 KB Output is correct
35 Partially correct 64 ms 600 KB Output is partially correct
36 Partially correct 67 ms 436 KB Output is partially correct
37 Partially correct 44 ms 668 KB Output is partially correct
38 Partially correct 43 ms 932 KB Output is partially correct
39 Partially correct 43 ms 600 KB Output is partially correct
40 Partially correct 45 ms 592 KB Output is partially correct
41 Partially correct 84 ms 596 KB Output is partially correct
42 Partially correct 70 ms 600 KB Output is partially correct
43 Correct 5 ms 344 KB Output is correct
44 Correct 15 ms 428 KB Output is correct
45 Partially correct 100 ms 672 KB Output is partially correct
46 Correct 12 ms 344 KB Output is correct
47 Correct 18 ms 600 KB Output is correct
48 Correct 17 ms 864 KB Output is correct