oj.uz

답안 #830601

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
830601 2023-08-19T08:19:15 Z FatihSolak 드문 곤충 (IOI22_insects) C++17
77.32 / 100
 110 ms 336 KB 
#include "insects.h"
#include <bits/stdc++.h>
using namespace std;

int min_cardinality(int N){
	mt19937 rng(chrono::steady_clock().now().time_since_epoch().count());
	vector<int> ord;
	for(int i = 0;i<N;i++){
		ord.push_back(i);
	}
	shuffle(ord.begin(),ord.end(),rng);
	vector<int> v;
	int now = 0;
	int dif = 0;
	auto add = [&](int x){
		v.push_back(x);
		move_inside(ord[x]);
		now = press_button();
	};
	auto del = [&](){
		move_outside(ord[v.back()]);
		v.pop_back();
		now = press_button();
	};
	auto del2 = [&](){
		move_outside(ord[v.back()]);
		v.pop_back();
		now--;
	};
	auto del3 = [&](){
		move_outside(ord[v.back()]);
		v.pop_back();
	};
	add(0);
	dif = 1;
	for(int i = 1;i<N;i++){
		add(i);
		if(now == 2){
			del2();
		}
		else dif++;
	}
	if(dif == 1)
		return N;
	if(dif == 2){
		for(int i = 0;i<N;i++){
			if(find(v.begin(),v.end(),i) == v.end()){
				add(i);
			}
		}
		return N - now;
	}
	if(N/dif > (1<<5) && dif <= 9){
		vector<bool> found(N,0);
		int mini = 1e9;
		for(int i = 0;i<N;i++){
			if(found[i] == 0){
				while(v.size())
					del2();
				now = 0;
				int cnt = 0;
				for(int j = 0;j<N;j++){
					if(found[j])continue;
					add(j);
					if(now != cnt + 1){
						del3();
					}
					else{
						found[j] = 1;
						cnt++;
					}
				}
				mini = min(mini,cnt);
			}
		}
		return mini;
	}
	int l = 1,r = N/dif;
	while(l < r){
		int m = (l + r + 1)/2;
		int tmp = now;
		press_button();
		assert(now == tmp);
		if(now < m){
			for(int i = 0;i<N;i++){
				if(v.size() == m * dif)
					break;
				if(find(v.begin(),v.end(),i) == v.end()){
					add(i);
					if(now > m)
						del2();
				}
			}
		}
		else{
			while(now > m){
				del();
			}
			for(int i = 0;i<N;i++){
				if(v.size() == m * dif)
					break;
				if(find(v.begin(),v.end(),i) == v.end()){
					add(i);
					if(now > m)
						del2();
				}
			}
		}
		if(v.size() == m * dif){
			l  = m;
		}
		else r = m -1;
	}
	return l;
}

Compilation message

insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:86:17: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   86 |     if(v.size() == m * dif)
      |        ~~~~~~~~~^~~~~~~~~~
insects.cpp:100:17: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
  100 |     if(v.size() == m * dif)
      |        ~~~~~~~~~^~~~~~~~~~
insects.cpp:109:15: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
  109 |   if(v.size() == m * dif){
      |      ~~~~~~~~~^~~~~~~~~~

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 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 2 ms 208 KB Output is correct
7 Correct 2 ms 208 KB Output is correct
8 Correct 3 ms 208 KB Output is correct
9 Correct 7 ms 208 KB Output is correct
10 Correct 3 ms 208 KB Output is correct
11 Correct 2 ms 208 KB Output is correct
12 Correct 7 ms 208 KB Output is correct
13 Correct 7 ms 208 KB Output is correct
14 Correct 8 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 6 ms 208 KB Output is correct
19 Correct 5 ms 208 KB Output is correct
20 Correct 5 ms 220 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

# 결과 실행 시간 메모리 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 2 ms 208 KB Output is correct
7 Correct 2 ms 208 KB Output is correct
8 Correct 3 ms 208 KB Output is correct
9 Correct 7 ms 208 KB Output is correct
10 Correct 3 ms 208 KB Output is correct
11 Correct 2 ms 208 KB Output is correct
12 Correct 7 ms 208 KB Output is correct
13 Correct 7 ms 208 KB Output is correct
14 Correct 8 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 6 ms 208 KB Output is correct
19 Correct 5 ms 208 KB Output is correct
20 Correct 5 ms 220 KB Output is correct
21 Correct 3 ms 208 KB Output is correct
22 Correct 2 ms 208 KB Output is correct
23 Correct 8 ms 208 KB Output is correct
24 Correct 7 ms 208 KB Output is correct
25 Correct 10 ms 208 KB Output is correct
26 Correct 18 ms 208 KB Output is correct
27 Correct 16 ms 304 KB Output is correct
28 Correct 7 ms 208 KB Output is correct
29 Correct 22 ms 208 KB Output is correct
30 Correct 38 ms 208 KB Output is correct
31 Correct 22 ms 208 KB Output is correct
32 Correct 39 ms 208 KB Output is correct
33 Correct 21 ms 208 KB Output is correct
34 Correct 22 ms 288 KB Output is correct
35 Correct 28 ms 208 KB Output is correct
36 Correct 22 ms 308 KB Output is correct
37 Correct 30 ms 208 KB Output is correct
38 Correct 29 ms 208 KB Output is correct
39 Correct 18 ms 308 KB Output is correct
40 Correct 14 ms 208 KB Output is correct
41 Correct 5 ms 336 KB Output is correct

Subtask #3
52.32 / 75.0

# 결과 실행 시간 메모리 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 1 ms 208 KB Output is correct
7 Correct 17 ms 208 KB Output is correct
8 Correct 12 ms 316 KB Output is correct
9 Correct 48 ms 296 KB Output is correct
10 Partially correct 47 ms 308 KB Output is partially correct
11 Correct 35 ms 292 KB Output is correct
12 Correct 28 ms 208 KB Output is correct
13 Partially correct 58 ms 292 KB Output is partially correct
14 Partially correct 77 ms 208 KB Output is partially correct
15 Partially correct 53 ms 208 KB Output is partially correct
16 Partially correct 69 ms 296 KB Output is partially correct
17 Correct 47 ms 208 KB Output is correct
18 Partially correct 43 ms 292 KB Output is partially correct
19 Partially correct 54 ms 292 KB Output is partially correct
20 Partially correct 44 ms 208 KB Output is partially correct
21 Partially correct 46 ms 208 KB Output is partially correct
22 Partially correct 54 ms 208 KB Output is partially correct
23 Partially correct 72 ms 292 KB Output is partially correct
24 Correct 36 ms 208 KB Output is correct
25 Correct 24 ms 208 KB Output is correct
26 Correct 12 ms 320 KB Output is correct
27 Correct 41 ms 292 KB Output is correct
28 Correct 46 ms 208 KB Output is correct
29 Correct 25 ms 328 KB Output is correct
30 Correct 28 ms 208 KB Output is correct
31 Partially correct 46 ms 296 KB Output is partially correct
32 Partially correct 52 ms 300 KB Output is partially correct
33 Partially correct 110 ms 208 KB Output is partially correct
34 Partially correct 42 ms 300 KB Output is partially correct
35 Correct 46 ms 292 KB Output is correct
36 Correct 42 ms 208 KB Output is correct
37 Partially correct 61 ms 208 KB Output is partially correct
38 Partially correct 72 ms 296 KB Output is partially correct
39 Correct 29 ms 300 KB Output is correct
40 Correct 39 ms 296 KB Output is correct
41 Correct 26 ms 208 KB Output is correct
42 Correct 40 ms 292 KB Output is correct
43 Correct 11 ms 208 KB Output is correct
44 Correct 25 ms 292 KB Output is correct
45 Correct 39 ms 208 KB Output is correct
46 Correct 28 ms 208 KB Output is correct
47 Correct 29 ms 208 KB Output is correct
48 Correct 15 ms 316 KB Output is correct