답안 #1060731

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1060731 2024-08-15T21:25:35 Z AdamGS 드문 곤충 (IOI22_insects) C++17
99.33 / 100
47 ms 940 KB
#include "insects.h"
#include<bits/stdc++.h>
using namespace std;
#define rep(a, b) for(int a = 0; a < (b); ++a)
#define st first
#define nd second
#define pb push_back
#define all(a) a.begin(), a.end()
vector<int>V, usun, Q;
int n;
int solve(int l, int r, vector<int>czy) {
	if(l==r) return l;
	int mid=(l+r+1)/2;
	if(r-l>3) ++mid;
	if(r-l>20) ++mid;
	vector<int>P;
	rep(i, n) if(czy[i]) {
		move_inside(Q[i]);
		if(press_button()==mid+1) move_outside(Q[i]);
		else P.pb(i);
	}
	bool ok=true;
	vector<int>A, B;
	rep(j, V.size()) if(!usun[j]) {
		int i=V[j];
		move_inside(Q[i]);
		if(press_button()<=mid) {
			ok=false;
			A.pb(j);
		} else B.pb(j);
		move_outside(Q[i]);
	}
	if(ok) {
		for(auto i : P) czy[i]=0;
		return solve(mid, r, czy);
	}
	for(auto i : B) usun[i]=1;
	rep(i, n) czy[i]=0;
	for(auto i : P) czy[i]=1;
	for(auto i : P) move_outside(Q[i]);
	return solve(l, mid-1, czy);
}
int min_cardinality(int _n) {
	n=_n;
	rep(i, n) Q.pb(i);
	mt19937 rng(chrono::high_resolution_clock::now().time_since_epoch().count());
	rep(i, n) swap(Q[i], Q[rng()%(i+1)]);
	rep(i, n) {
		move_inside(Q[i]);
		if(press_button()==1) V.pb(i);
		else move_outside(Q[i]);
	}
	for(auto i : V) move_outside(Q[i]);
	vector<int>czy(n, 1);
	for(auto i : V) czy[i]=0;
	rep(i, V.size()) usun.pb(0);
	return solve(0, (n-V.size())/V.size(), czy)+1;
}

Compilation message

insects.cpp: In function 'int solve(int, int, std::vector<int>)':
insects.cpp:4:36: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    4 | #define rep(a, b) for(int a = 0; a < (b); ++a)
      |                                    ^
insects.cpp:24:2: note: in expansion of macro 'rep'
   24 |  rep(j, V.size()) if(!usun[j]) {
      |  ^~~
insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:4:36: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    4 | #define rep(a, b) for(int a = 0; a < (b); ++a)
      |                                    ^
insects.cpp:56:2: note: in expansion of macro 'rep'
   56 |  rep(i, V.size()) usun.pb(0);
      |  ^~~
# 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 4 ms 344 KB Output is correct
7 Correct 2 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 2 ms 344 KB Output is correct
11 Correct 2 ms 344 KB Output is correct
12 Correct 3 ms 344 KB Output is correct
13 Correct 3 ms 440 KB Output is correct
14 Correct 3 ms 600 KB Output is correct
15 Correct 3 ms 344 KB Output is correct
16 Correct 3 ms 344 KB Output is correct
17 Correct 4 ms 444 KB Output is correct
18 Correct 3 ms 600 KB Output is correct
19 Correct 3 ms 444 KB Output is correct
20 Correct 3 ms 440 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 4 ms 344 KB Output is correct
7 Correct 2 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 2 ms 344 KB Output is correct
11 Correct 2 ms 344 KB Output is correct
12 Correct 3 ms 344 KB Output is correct
13 Correct 3 ms 440 KB Output is correct
14 Correct 3 ms 600 KB Output is correct
15 Correct 3 ms 344 KB Output is correct
16 Correct 3 ms 344 KB Output is correct
17 Correct 4 ms 444 KB Output is correct
18 Correct 3 ms 600 KB Output is correct
19 Correct 3 ms 444 KB Output is correct
20 Correct 3 ms 440 KB Output is correct
21 Correct 2 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 19 ms 444 KB Output is correct
24 Correct 5 ms 344 KB Output is correct
25 Correct 17 ms 856 KB Output is correct
26 Correct 13 ms 344 KB Output is correct
27 Correct 16 ms 600 KB Output is correct
28 Correct 5 ms 600 KB Output is correct
29 Correct 16 ms 428 KB Output is correct
30 Correct 16 ms 688 KB Output is correct
31 Correct 18 ms 344 KB Output is correct
32 Correct 13 ms 692 KB Output is correct
33 Correct 17 ms 460 KB Output is correct
34 Correct 9 ms 344 KB Output is correct
35 Correct 13 ms 452 KB Output is correct
36 Correct 14 ms 452 KB Output is correct
37 Correct 16 ms 848 KB Output is correct
38 Correct 17 ms 448 KB Output is correct
39 Correct 14 ms 460 KB Output is correct
40 Correct 6 ms 344 KB Output is correct
41 Correct 5 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 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 29 ms 440 KB Output is correct
8 Correct 9 ms 344 KB Output is correct
9 Correct 34 ms 428 KB Output is correct
10 Correct 29 ms 592 KB Output is correct
11 Correct 31 ms 596 KB Output is correct
12 Correct 14 ms 344 KB Output is correct
13 Correct 28 ms 344 KB Output is correct
14 Partially correct 29 ms 588 KB Output is partially correct
15 Correct 26 ms 704 KB Output is correct
16 Correct 33 ms 452 KB Output is correct
17 Correct 28 ms 440 KB Output is correct
18 Correct 45 ms 460 KB Output is correct
19 Correct 25 ms 708 KB Output is correct
20 Correct 34 ms 704 KB Output is correct
21 Partially correct 47 ms 460 KB Output is partially correct
22 Correct 32 ms 680 KB Output is correct
23 Correct 27 ms 676 KB Output is correct
24 Correct 35 ms 592 KB Output is correct
25 Correct 20 ms 612 KB Output is correct
26 Correct 12 ms 456 KB Output is correct
27 Correct 25 ms 480 KB Output is correct
28 Correct 30 ms 592 KB Output is correct
29 Correct 29 ms 852 KB Output is correct
30 Correct 29 ms 700 KB Output is correct
31 Correct 24 ms 708 KB Output is correct
32 Correct 23 ms 344 KB Output is correct
33 Partially correct 34 ms 712 KB Output is partially correct
34 Partially correct 33 ms 940 KB Output is partially correct
35 Correct 27 ms 680 KB Output is correct
36 Correct 44 ms 592 KB Output is correct
37 Correct 27 ms 452 KB Output is correct
38 Correct 23 ms 344 KB Output is correct
39 Correct 32 ms 464 KB Output is correct
40 Correct 28 ms 448 KB Output is correct
41 Correct 29 ms 428 KB Output is correct
42 Correct 29 ms 700 KB Output is correct
43 Correct 9 ms 344 KB Output is correct
44 Correct 24 ms 624 KB Output is correct
45 Correct 32 ms 452 KB Output is correct
46 Correct 15 ms 448 KB Output is correct
47 Correct 20 ms 592 KB Output is correct
48 Correct 15 ms 600 KB Output is correct