oj.uz

답안 #1077751

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1077751 2024-08-27T08:53:20 Z pcc 드문 곤충 (IOI22_insects) C++17
54.05 / 100
 124 ms 1516 KB 
#include "insects.h"
#include <bits/stdc++.h>
using namespace std;

const int mxn = 2022;
vector<int> v[mxn];
set<int> st;
int N;
int cnt = 0;
const int B = 4;

void del(int k){
	assert(st.find(k) != st.end());
	st.erase(k);
	move_outside(k);
	return;
}

void add(int k){
	assert(st.find(k) == st.end());
	st.insert(k);
	move_inside(k);
	return;
}

int ask(){
	int re = press_button();
	return re;
}

bool check(int lim){
	for(int i = lim+1;i<=N;i++){
		while(!v[i].empty()){
			auto now = v[i].back();
			v[i].pop_back();
			del(now);
		}
	}
	for(int i = 0;i<N;i++){
		if(st.find(i) == st.end()){
			add(i);
			int re = ask();
			if(re>lim)del(i);
			else v[re].push_back(i);
		}
	}
	return lim*cnt == st.size();
}

int min_cardinality(int NN) {
	N = NN;
	check(1);
	cnt = st.size();
	if(N/cnt<=B){
		for(int i = 2;i<=N/cnt;i++){
			if(!check(i))return i-1;
		}
		return N/cnt;
		assert(false);
	}
	int l = 1,r = N/cnt;
	while(l != r){
		int mid = (l+r+1)>>1;
		if(check(mid))l = mid;
		else r = mid-1;
	}
	return l;
}

Compilation message

insects.cpp: In function 'bool check(int)':
insects.cpp:47:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::set<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   47 |  return lim*cnt == st.size();
      |         ~~~~~~~~^~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 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 1 ms 344 KB Output is correct
6 Correct 3 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 2 ms 488 KB Output is correct
9 Correct 4 ms 480 KB Output is correct
10 Correct 9 ms 344 KB Output is correct
11 Correct 2 ms 344 KB Output is correct
12 Correct 7 ms 344 KB Output is correct
13 Correct 4 ms 344 KB Output is correct
14 Correct 4 ms 344 KB Output is correct
15 Correct 2 ms 344 KB Output is correct
16 Correct 2 ms 344 KB Output is correct
17 Correct 2 ms 484 KB Output is correct
18 Correct 5 ms 344 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 488 KB Output is correct
22 Correct 2 ms 344 KB Output is correct

Subtask #2
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 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 1 ms 344 KB Output is correct
6 Correct 3 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 2 ms 488 KB Output is correct
9 Correct 4 ms 480 KB Output is correct
10 Correct 9 ms 344 KB Output is correct
11 Correct 2 ms 344 KB Output is correct
12 Correct 7 ms 344 KB Output is correct
13 Correct 4 ms 344 KB Output is correct
14 Correct 4 ms 344 KB Output is correct
15 Correct 2 ms 344 KB Output is correct
16 Correct 2 ms 344 KB Output is correct
17 Correct 2 ms 484 KB Output is correct
18 Correct 5 ms 344 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 488 KB Output is correct
22 Correct 2 ms 344 KB Output is correct
23 Correct 19 ms 600 KB Output is correct
24 Correct 4 ms 344 KB Output is correct
25 Correct 8 ms 484 KB Output is correct
26 Correct 24 ms 508 KB Output is correct
27 Correct 58 ms 488 KB Output is correct
28 Correct 3 ms 344 KB Output is correct
29 Correct 54 ms 504 KB Output is correct
30 Correct 38 ms 856 KB Output is correct
31 Correct 34 ms 504 KB Output is correct
32 Correct 13 ms 344 KB Output is correct
33 Correct 14 ms 496 KB Output is correct
34 Correct 22 ms 856 KB Output is correct
35 Correct 28 ms 724 KB Output is correct
36 Correct 17 ms 712 KB Output is correct
37 Correct 14 ms 344 KB Output is correct
38 Correct 14 ms 344 KB Output is correct
39 Correct 10 ms 344 KB Output is correct
40 Correct 6 ms 344 KB Output is correct
41 Correct 3 ms 344 KB Output is correct

Subtask #3
29.05 / 75.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 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 0 ms 344 KB Output is correct
7 Correct 33 ms 616 KB Output is correct
8 Correct 10 ms 600 KB Output is correct
9 Correct 31 ms 988 KB Output is correct
10 Partially correct 52 ms 612 KB Output is partially correct
11 Partially correct 124 ms 476 KB Output is partially correct
12 Correct 13 ms 504 KB Output is correct
13 Partially correct 120 ms 344 KB Output is partially correct
14 Partially correct 80 ms 596 KB Output is partially correct
15 Partially correct 37 ms 784 KB Output is partially correct
16 Partially correct 41 ms 1000 KB Output is partially correct
17 Partially correct 50 ms 772 KB Output is partially correct
18 Partially correct 34 ms 488 KB Output is partially correct
19 Partially correct 51 ms 476 KB Output is partially correct
20 Partially correct 45 ms 756 KB Output is partially correct
21 Partially correct 47 ms 720 KB Output is partially correct
22 Partially correct 69 ms 476 KB Output is partially correct
23 Partially correct 43 ms 592 KB Output is partially correct
24 Correct 18 ms 848 KB Output is correct
25 Correct 14 ms 344 KB Output is correct
26 Correct 9 ms 548 KB Output is correct
27 Correct 26 ms 540 KB Output is correct
28 Correct 21 ms 488 KB Output is correct
29 Partially correct 30 ms 472 KB Output is partially correct
30 Partially correct 30 ms 592 KB Output is partially correct
31 Partially correct 45 ms 592 KB Output is partially correct
32 Partially correct 63 ms 516 KB Output is partially correct
33 Partially correct 69 ms 592 KB Output is partially correct
34 Partially correct 42 ms 344 KB Output is partially correct
35 Partially correct 29 ms 788 KB Output is partially correct
36 Partially correct 35 ms 592 KB Output is partially correct
37 Partially correct 55 ms 732 KB Output is partially correct
38 Partially correct 39 ms 1516 KB Output is partially correct
39 Correct 26 ms 344 KB Output is correct
40 Correct 31 ms 736 KB Output is correct
41 Partially correct 26 ms 516 KB Output is partially correct
42 Partially correct 24 ms 592 KB Output is partially correct
43 Partially correct 21 ms 344 KB Output is partially correct
44 Partially correct 103 ms 592 KB Output is partially correct
45 Correct 31 ms 740 KB Output is correct
46 Correct 21 ms 848 KB Output is correct
47 Correct 21 ms 600 KB Output is correct
48 Correct 20 ms 600 KB Output is correct