Submission #1042596

# Submission time Handle Problem Language Result Execution time Memory
1042596 2024-08-03T08:17:09 Z Alihan_8 Rarest Insects (IOI22_insects) C++17
95.53 / 100
56 ms 864 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 ){ // 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;
	
	int aux = 0;
	
	auto ok = [&](int m){
		int cnt = 0;
		
		tmp.clear();
		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 + aux == k * m;
	};
	
	int l = 1, r = n / k + 1;
	
	while ( l + 1 < r ){
		int m = (l + r) / 2;
		
		if ( ok(m) ){
			for ( auto &x: tmp ){
				us[x] = 1;
			} l = m;
			
			aux += (int)tmp.size();
		}
		else{
			for ( auto &x: rem ){
				us[x] = 1;
			} 
			
			for ( auto &x: tmp ){
				move_outside(x);
			} 
			
			r = m;
		}
	}
	
	return l;
}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 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 Correct 2 ms 344 KB Output is correct
7 Correct 2 ms 344 KB Output is correct
8 Correct 3 ms 344 KB Output is correct
9 Correct 2 ms 600 KB Output is correct
10 Correct 3 ms 436 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 3 ms 344 KB Output is correct
13 Correct 3 ms 344 KB Output is correct
14 Correct 5 ms 344 KB Output is correct
15 Correct 2 ms 436 KB Output is correct
16 Correct 2 ms 436 KB Output is correct
17 Correct 3 ms 344 KB Output is correct
18 Correct 2 ms 344 KB Output is correct
19 Correct 2 ms 344 KB Output is correct
20 Correct 3 ms 436 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 340 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 Correct 2 ms 344 KB Output is correct
7 Correct 2 ms 344 KB Output is correct
8 Correct 3 ms 344 KB Output is correct
9 Correct 2 ms 600 KB Output is correct
10 Correct 3 ms 436 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 3 ms 344 KB Output is correct
13 Correct 3 ms 344 KB Output is correct
14 Correct 5 ms 344 KB Output is correct
15 Correct 2 ms 436 KB Output is correct
16 Correct 2 ms 436 KB Output is correct
17 Correct 3 ms 344 KB Output is correct
18 Correct 2 ms 344 KB Output is correct
19 Correct 2 ms 344 KB Output is correct
20 Correct 3 ms 436 KB Output is correct
21 Correct 2 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 8 ms 344 KB Output is correct
24 Correct 6 ms 696 KB Output is correct
25 Correct 14 ms 688 KB Output is correct
26 Correct 9 ms 344 KB Output is correct
27 Correct 5 ms 600 KB Output is correct
28 Correct 5 ms 600 KB Output is correct
29 Correct 21 ms 600 KB Output is correct
30 Correct 14 ms 600 KB Output is correct
31 Correct 22 ms 344 KB Output is correct
32 Correct 8 ms 344 KB Output is correct
33 Correct 18 ms 344 KB Output is correct
34 Correct 14 ms 600 KB Output is correct
35 Correct 9 ms 344 KB Output is correct
36 Correct 15 ms 600 KB Output is correct
37 Correct 11 ms 436 KB Output is correct
38 Correct 11 ms 436 KB Output is correct
39 Correct 12 ms 600 KB Output is correct
40 Correct 9 ms 344 KB Output is correct
41 Correct 4 ms 344 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 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 Correct 0 ms 344 KB Output is correct
7 Correct 16 ms 444 KB Output is correct
8 Correct 7 ms 444 KB Output is correct
9 Correct 27 ms 344 KB Output is correct
10 Correct 26 ms 600 KB Output is correct
11 Correct 10 ms 344 KB Output is correct
12 Correct 17 ms 344 KB Output is correct
13 Partially correct 23 ms 432 KB Output is partially correct
14 Correct 24 ms 600 KB Output is correct
15 Partially correct 30 ms 420 KB Output is partially correct
16 Correct 36 ms 592 KB Output is correct
17 Correct 29 ms 592 KB Output is correct
18 Correct 18 ms 344 KB Output is correct
19 Partially correct 39 ms 344 KB Output is partially correct
20 Correct 34 ms 680 KB Output is correct
21 Correct 26 ms 864 KB Output is correct
22 Partially correct 36 ms 440 KB Output is partially correct
23 Correct 19 ms 448 KB Output is correct
24 Correct 27 ms 436 KB Output is correct
25 Correct 15 ms 604 KB Output is correct
26 Correct 8 ms 452 KB Output is correct
27 Correct 32 ms 428 KB Output is correct
28 Correct 56 ms 428 KB Output is correct
29 Partially correct 39 ms 592 KB Output is partially correct
30 Partially correct 30 ms 436 KB Output is partially correct
31 Correct 21 ms 428 KB Output is correct
32 Correct 24 ms 432 KB Output is correct
33 Correct 20 ms 672 KB Output is correct
34 Correct 20 ms 432 KB Output is correct
35 Partially correct 26 ms 428 KB Output is partially correct
36 Partially correct 27 ms 432 KB Output is partially correct
37 Correct 22 ms 420 KB Output is correct
38 Correct 29 ms 432 KB Output is correct
39 Correct 20 ms 436 KB Output is correct
40 Correct 24 ms 420 KB Output is correct
41 Partially correct 30 ms 428 KB Output is partially correct
42 Partially correct 28 ms 444 KB Output is partially correct
43 Correct 8 ms 344 KB Output is correct
44 Correct 13 ms 436 KB Output is correct
45 Correct 26 ms 444 KB Output is correct
46 Correct 16 ms 440 KB Output is correct
47 Correct 17 ms 440 KB Output is correct
48 Correct 18 ms 344 KB Output is correct