Submission #1060727

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1060727	2024-08-15T21:23:26 Z	AdamGS	Rarest Insects (IOI22_insects)	C++17	97.46 / 100	47 ms	952 KB

insects

#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>2) ++mid;
	if(r-l>5) ++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);
      |  ^~~

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	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	3 ms	444 KB	Output is correct
7	Correct	1 ms	344 KB	Output is correct
8	Correct	3 ms	440 KB	Output is correct
9	Correct	3 ms	444 KB	Output is correct
10	Correct	2 ms	344 KB	Output is correct
11	Correct	1 ms	344 KB	Output is correct
12	Correct	3 ms	344 KB	Output is correct
13	Correct	5 ms	344 KB	Output is correct
14	Correct	2 ms	344 KB	Output is correct
15	Correct	4 ms	440 KB	Output is correct
16	Correct	3 ms	344 KB	Output is correct
17	Correct	3 ms	344 KB	Output is correct
18	Correct	4 ms	444 KB	Output is correct
19	Correct	5 ms	600 KB	Output is correct
20	Correct	3 ms	344 KB	Output is correct
21	Correct	2 ms	344 KB	Output is correct
22	Correct	1 ms	344 KB	Output is correct

Subtask #2
15.0 / 15.0

#	Verdict	Execution time	Memory	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	3 ms	444 KB	Output is correct
7	Correct	1 ms	344 KB	Output is correct
8	Correct	3 ms	440 KB	Output is correct
9	Correct	3 ms	444 KB	Output is correct
10	Correct	2 ms	344 KB	Output is correct
11	Correct	1 ms	344 KB	Output is correct
12	Correct	3 ms	344 KB	Output is correct
13	Correct	5 ms	344 KB	Output is correct
14	Correct	2 ms	344 KB	Output is correct
15	Correct	4 ms	440 KB	Output is correct
16	Correct	3 ms	344 KB	Output is correct
17	Correct	3 ms	344 KB	Output is correct
18	Correct	4 ms	444 KB	Output is correct
19	Correct	5 ms	600 KB	Output is correct
20	Correct	3 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	10 ms	344 KB	Output is correct
24	Correct	5 ms	344 KB	Output is correct
25	Correct	17 ms	696 KB	Output is correct
26	Correct	13 ms	448 KB	Output is correct
27	Correct	8 ms	344 KB	Output is correct
28	Correct	6 ms	344 KB	Output is correct
29	Correct	23 ms	432 KB	Output is correct
30	Correct	20 ms	448 KB	Output is correct
31	Correct	10 ms	452 KB	Output is correct
32	Correct	14 ms	600 KB	Output is correct
33	Correct	17 ms	952 KB	Output is correct
34	Correct	16 ms	600 KB	Output is correct
35	Correct	17 ms	600 KB	Output is correct
36	Correct	21 ms	344 KB	Output is correct
37	Correct	16 ms	604 KB	Output is correct
38	Correct	16 ms	692 KB	Output is correct
39	Correct	12 ms	344 KB	Output is correct
40	Correct	10 ms	600 KB	Output is correct
41	Correct	6 ms	600 KB	Output is correct

Subtask #3
72.46 / 75.0

#	Verdict	Execution time	Memory	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	35 ms	716 KB	Output is correct
8	Correct	12 ms	600 KB	Output is correct
9	Correct	23 ms	448 KB	Output is correct
10	Correct	32 ms	596 KB	Output is correct
11	Correct	16 ms	444 KB	Output is correct
12	Correct	21 ms	344 KB	Output is correct
13	Correct	22 ms	468 KB	Output is correct
14	Partially correct	33 ms	444 KB	Output is partially correct
15	Correct	37 ms	696 KB	Output is correct
16	Correct	23 ms	464 KB	Output is correct
17	Partially correct	31 ms	712 KB	Output is partially correct
18	Correct	32 ms	600 KB	Output is correct
19	Correct	22 ms	592 KB	Output is correct
20	Correct	43 ms	344 KB	Output is correct
21	Partially correct	29 ms	592 KB	Output is partially correct
22	Partially correct	47 ms	708 KB	Output is partially correct
23	Partially correct	34 ms	712 KB	Output is partially correct
24	Correct	20 ms	840 KB	Output is correct
25	Correct	18 ms	468 KB	Output is correct
26	Correct	9 ms	344 KB	Output is correct
27	Correct	29 ms	936 KB	Output is correct
28	Correct	33 ms	608 KB	Output is correct
29	Correct	26 ms	344 KB	Output is correct
30	Correct	29 ms	592 KB	Output is correct
31	Correct	30 ms	600 KB	Output is correct
32	Correct	30 ms	844 KB	Output is correct
33	Partially correct	37 ms	484 KB	Output is partially correct
34	Partially correct	33 ms	712 KB	Output is partially correct
35	Correct	25 ms	704 KB	Output is correct
36	Correct	27 ms	592 KB	Output is correct
37	Correct	34 ms	616 KB	Output is correct
38	Correct	32 ms	444 KB	Output is correct
39	Correct	19 ms	592 KB	Output is correct
40	Correct	27 ms	424 KB	Output is correct
41	Correct	31 ms	704 KB	Output is correct
42	Correct	32 ms	344 KB	Output is correct
43	Correct	7 ms	344 KB	Output is correct
44	Correct	14 ms	444 KB	Output is correct
45	Correct	33 ms	452 KB	Output is correct
46	Correct	24 ms	844 KB	Output is correct
47	Correct	22 ms	448 KB	Output is correct
48	Correct	15 ms	448 KB	Output is correct

Submission #1060727

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 15.0 / 15.0

Subtask #3 72.46 / 75.0

Subtask #1
10.0 / 10.0

Subtask #2
15.0 / 15.0

Subtask #3
72.46 / 75.0