답안 #1042598

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1042598 2024-08-03T08:17:41 Z Alihan_8 드문 곤충 (IOI22_insects) C++17
99.78 / 100
40 ms 856 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 ( k <= 3 ){ // 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;
}
# 결과 실행 시간 메모리 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 0 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 2 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 2 ms 344 KB Output is correct
9 Correct 3 ms 344 KB Output is correct
10 Correct 3 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 2 ms 344 KB Output is correct
13 Correct 3 ms 600 KB Output is correct
14 Correct 2 ms 436 KB Output is correct
15 Correct 2 ms 344 KB Output is correct
16 Correct 4 ms 344 KB Output is correct
17 Correct 3 ms 344 KB Output is correct
18 Correct 2 ms 344 KB Output is correct
19 Correct 3 ms 432 KB Output is correct
20 Correct 2 ms 344 KB Output is correct
21 Correct 2 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
# 결과 실행 시간 메모리 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 0 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 2 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 2 ms 344 KB Output is correct
9 Correct 3 ms 344 KB Output is correct
10 Correct 3 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 2 ms 344 KB Output is correct
13 Correct 3 ms 600 KB Output is correct
14 Correct 2 ms 436 KB Output is correct
15 Correct 2 ms 344 KB Output is correct
16 Correct 4 ms 344 KB Output is correct
17 Correct 3 ms 344 KB Output is correct
18 Correct 2 ms 344 KB Output is correct
19 Correct 3 ms 432 KB Output is correct
20 Correct 2 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 9 ms 440 KB Output is correct
24 Correct 5 ms 344 KB Output is correct
25 Correct 14 ms 440 KB Output is correct
26 Correct 9 ms 600 KB Output is correct
27 Correct 8 ms 344 KB Output is correct
28 Correct 5 ms 344 KB Output is correct
29 Correct 16 ms 444 KB Output is correct
30 Correct 13 ms 344 KB Output is correct
31 Correct 19 ms 436 KB Output is correct
32 Correct 10 ms 696 KB Output is correct
33 Correct 15 ms 592 KB Output is correct
34 Correct 12 ms 600 KB Output is correct
35 Correct 11 ms 432 KB Output is correct
36 Correct 11 ms 440 KB Output is correct
37 Correct 9 ms 436 KB Output is correct
38 Correct 7 ms 344 KB Output is correct
39 Correct 15 ms 856 KB Output is correct
40 Correct 10 ms 344 KB Output is correct
41 Correct 4 ms 692 KB Output is correct
# 결과 실행 시간 메모리 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 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 15 ms 452 KB Output is correct
8 Correct 9 ms 448 KB Output is correct
9 Correct 26 ms 436 KB Output is correct
10 Correct 23 ms 344 KB Output is correct
11 Correct 20 ms 668 KB Output is correct
12 Correct 14 ms 684 KB Output is correct
13 Correct 22 ms 344 KB Output is correct
14 Correct 27 ms 424 KB Output is correct
15 Correct 22 ms 344 KB Output is correct
16 Correct 29 ms 608 KB Output is correct
17 Correct 27 ms 592 KB Output is correct
18 Correct 24 ms 440 KB Output is correct
19 Partially correct 40 ms 600 KB Output is partially correct
20 Correct 32 ms 592 KB Output is correct
21 Correct 22 ms 344 KB Output is correct
22 Partially correct 29 ms 436 KB Output is partially correct
23 Correct 19 ms 344 KB Output is correct
24 Correct 20 ms 344 KB Output is correct
25 Correct 12 ms 432 KB Output is correct
26 Correct 6 ms 344 KB Output is correct
27 Correct 21 ms 424 KB Output is correct
28 Correct 15 ms 344 KB Output is correct
29 Partially correct 33 ms 436 KB Output is partially correct
30 Partially correct 29 ms 600 KB Output is partially correct
31 Correct 23 ms 592 KB Output is correct
32 Correct 25 ms 592 KB Output is correct
33 Correct 24 ms 680 KB Output is correct
34 Correct 29 ms 592 KB Output is correct
35 Partially correct 22 ms 344 KB Output is partially correct
36 Partially correct 27 ms 436 KB Output is partially correct
37 Correct 25 ms 344 KB Output is correct
38 Correct 29 ms 848 KB Output is correct
39 Correct 21 ms 344 KB Output is correct
40 Correct 19 ms 344 KB Output is correct
41 Partially correct 24 ms 592 KB Output is partially correct
42 Partially correct 24 ms 608 KB Output is partially correct
43 Correct 6 ms 600 KB Output is correct
44 Correct 18 ms 448 KB Output is correct
45 Correct 13 ms 608 KB Output is correct
46 Correct 12 ms 344 KB Output is correct
47 Correct 18 ms 592 KB Output is correct
48 Correct 12 ms 344 KB Output is correct