답안 #830871

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
830871 2023-08-19T12:00:57 Z caganyanmaz 드문 곤충 (IOI22_insects) C++17
61.05 / 100
120 ms 452 KB
#include <bits/stdc++.h>
#include "insects.h"
#define pb push_back
using namespace std;

//#include "../debug.h"
#define debug(x...) void(42)

constexpr static int BLOCK = -1;

int n;
set<int> basis;
set<int> machine;

bool check(int val)
{
	vector<int> ci;
	for (int i = 0; i < n; i++)
	{
		if (basis.find(i) != machine.end())
			continue;
		move_inside(i);
		machine.insert(i);
		ci.pb(i);
		if (press_button() > val)
		{
			ci.pop_back();
			move_outside(i);
			machine.erase(i);
		}
	}
	bool res = ci.size() == (val - 1) * basis.size();
	for (int i : ci)
		move_outside(i);
	return res;
}

int test_a()
{
	int l = 1, r = 1 + (n / basis.size());
	debug(l, r);
	while (r - l > 1)
	{
		int m = l+r>>1;
		debug(m);
		if(check(m))
		{
			l = m;
		}
		else
		{
			for (int i : machine)
				if (basis.find(i) == basis.end())
					machine.erase(i);
			r = m;
		}
	}
	debug(l);
	return l;
}
vector<int> bs;

int get_min(int l, int r, vector<int>& v)
{
	if (r - l == 1)
	{
		debug(l, v);
		return v.size()+1;
	}
	int m = l+r>>1;
	for (int i = l; i < m; i++)
	{
		if (machine.find(bs[i]) != machine.end())
			continue;
		machine.insert(bs[i]);
		move_inside(bs[i]);
	}
	for (int i = m; i < r; i++)
	{
		if (machine.find(bs[i]) == machine.end())
			continue;
		machine.erase(bs[i]);
		move_outside(bs[i]);
	}
	vector<int> lv, rv;
	for (int i : v)
	{
		move_inside(i);
		if (press_button() > 1)
			lv.pb(i);
		else
			rv.pb(i);
		move_outside(i);
	}
	int lres = get_min(l, m, lv);
	int rres = get_min(m, r, rv);
	return min(lres, rres);
 
}
 
int test_b()
{
	
	vector<int> v;
	for (int i = 0; i < n; i++)
		if (basis.find(i) == basis.end())
			v.pb(i);
	return get_min(0, bs.size(), v);
}

int min_cardinality(int N)
{
	n = N;
	for (int i = 0; i < n; i++)
	{
		move_inside(i);
		if (press_button() > 1)
			move_outside(i);
		else
			basis.insert(i);
	}	
	for (int i : basis)
	{
		bs.pb(i);
		machine.insert(i);
	}
	if (basis.size() > BLOCK)
		return test_a();
	else
		return test_b();
	
}

Compilation message

insects.cpp: In function 'int test_a()':
insects.cpp:44:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   44 |   int m = l+r>>1;
      |           ~^~
insects.cpp: In function 'int get_min(int, int, std::vector<int>&)':
insects.cpp:70:11: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   70 |  int m = l+r>>1;
      |          ~^~
insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:127:19: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'const int' [-Wsign-compare]
  127 |  if (basis.size() > BLOCK)
      |      ~~~~~~~~~~~~~^~~~~~~
# 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 304 KB Output is correct
8 Correct 8 ms 208 KB Output is correct
9 Correct 7 ms 208 KB Output is correct
10 Correct 3 ms 296 KB Output is correct
11 Correct 8 ms 300 KB Output is correct
12 Correct 4 ms 324 KB Output is correct
13 Correct 6 ms 208 KB Output is correct
14 Correct 9 ms 236 KB Output is correct
15 Correct 5 ms 300 KB Output is correct
16 Correct 5 ms 296 KB Output is correct
17 Correct 8 ms 208 KB Output is correct
18 Correct 6 ms 208 KB Output is correct
19 Correct 9 ms 296 KB Output is correct
20 Correct 7 ms 208 KB Output is correct
21 Correct 5 ms 208 KB Output is correct
22 Correct 6 ms 208 KB Output is correct
# 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 304 KB Output is correct
8 Correct 8 ms 208 KB Output is correct
9 Correct 7 ms 208 KB Output is correct
10 Correct 3 ms 296 KB Output is correct
11 Correct 8 ms 300 KB Output is correct
12 Correct 4 ms 324 KB Output is correct
13 Correct 6 ms 208 KB Output is correct
14 Correct 9 ms 236 KB Output is correct
15 Correct 5 ms 300 KB Output is correct
16 Correct 5 ms 296 KB Output is correct
17 Correct 8 ms 208 KB Output is correct
18 Correct 6 ms 208 KB Output is correct
19 Correct 9 ms 296 KB Output is correct
20 Correct 7 ms 208 KB Output is correct
21 Correct 5 ms 208 KB Output is correct
22 Correct 6 ms 208 KB Output is correct
23 Correct 5 ms 296 KB Output is correct
24 Correct 9 ms 324 KB Output is correct
25 Correct 50 ms 292 KB Output is correct
26 Correct 47 ms 288 KB Output is correct
27 Correct 13 ms 208 KB Output is correct
28 Correct 40 ms 336 KB Output is correct
29 Correct 29 ms 292 KB Output is correct
30 Correct 39 ms 208 KB Output is correct
31 Correct 23 ms 208 KB Output is correct
32 Correct 25 ms 292 KB Output is correct
33 Correct 16 ms 312 KB Output is correct
34 Correct 31 ms 208 KB Output is correct
35 Correct 39 ms 292 KB Output is correct
36 Correct 36 ms 208 KB Output is correct
37 Correct 45 ms 300 KB Output is correct
38 Correct 61 ms 300 KB Output is correct
39 Correct 48 ms 308 KB Output is correct
40 Correct 37 ms 336 KB Output is correct
41 Correct 31 ms 336 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 2 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 14 ms 208 KB Output is correct
8 Partially correct 21 ms 452 KB Output is partially correct
9 Partially correct 84 ms 292 KB Output is partially correct
10 Partially correct 113 ms 304 KB Output is partially correct
11 Correct 31 ms 276 KB Output is correct
12 Partially correct 100 ms 312 KB Output is partially correct
13 Partially correct 40 ms 300 KB Output is partially correct
14 Partially correct 81 ms 292 KB Output is partially correct
15 Partially correct 55 ms 292 KB Output is partially correct
16 Partially correct 55 ms 288 KB Output is partially correct
17 Partially correct 62 ms 296 KB Output is partially correct
18 Partially correct 40 ms 440 KB Output is partially correct
19 Partially correct 74 ms 296 KB Output is partially correct
20 Partially correct 87 ms 280 KB Output is partially correct
21 Partially correct 68 ms 432 KB Output is partially correct
22 Partially correct 109 ms 308 KB Output is partially correct
23 Partially correct 111 ms 316 KB Output is partially correct
24 Partially correct 88 ms 428 KB Output is partially correct
25 Partially correct 102 ms 320 KB Output is partially correct
26 Partially correct 61 ms 324 KB Output is partially correct
27 Partially correct 76 ms 284 KB Output is partially correct
28 Partially correct 84 ms 328 KB Output is partially correct
29 Partially correct 97 ms 288 KB Output is partially correct
30 Partially correct 96 ms 208 KB Output is partially correct
31 Partially correct 87 ms 208 KB Output is partially correct
32 Partially correct 99 ms 328 KB Output is partially correct
33 Partially correct 120 ms 296 KB Output is partially correct
34 Partially correct 110 ms 308 KB Output is partially correct
35 Partially correct 89 ms 312 KB Output is partially correct
36 Partially correct 82 ms 300 KB Output is partially correct
37 Partially correct 74 ms 296 KB Output is partially correct
38 Partially correct 88 ms 208 KB Output is partially correct
39 Partially correct 99 ms 296 KB Output is partially correct
40 Partially correct 99 ms 292 KB Output is partially correct
41 Partially correct 86 ms 308 KB Output is partially correct
42 Partially correct 86 ms 296 KB Output is partially correct
43 Partially correct 10 ms 284 KB Output is partially correct
44 Partially correct 48 ms 296 KB Output is partially correct
45 Correct 36 ms 284 KB Output is correct
46 Partially correct 93 ms 296 KB Output is partially correct
47 Partially correct 55 ms 416 KB Output is partially correct
48 Partially correct 95 ms 328 KB Output is partially correct