Submission #988558

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
988558	2024-05-25T07:12:22 Z	cnn008	Rarest Insects (IOI22_insects)	C++17	99.89 / 100	39 ms	1912 KB

insects

#include "bits/stdc++.h"
using namespace std;

#include "insects.h"

#ifdef N_N_C
#include "debug.h"
#else
#define cebug(...) "Arya"
#endif

#define ll long long

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
int rand(int l, int r){
    assert(l<=r);
    return uniform_int_distribution<int> (l,r)(rng);
}

const int N=1e5+5;
const int mod=1e9+7;

int min_cardinality(int n){
	set <int> s;
	// vector <int> nw;
	// vector <int> p(n);
	// iota(p.begin(),p.end(),0);
	// shuffle(p.begin(),p.end(),rng);
	map <int,set<int>> mp;
	int cad;
	auto add = [&](int i) -> void{
		s.insert(i);
		move_inside(i);
	};
	auto del = [&](int i) -> void{
		s.erase(i);
		move_outside(i);
	};
	// auto check = [&](int k) -> bool{
		// nw.clear();
		// auto op=*mp.lower_bound(k);
		// for(auto i:op.second){
			// if(s.find(i)!=s.end()) continue;
			// add(i);
			// if(press_button()>k) del(i);
			// else nw.push_back(i);
		// }
		// mp[k]=s;
		// return (int)s.size()>=cad*k;
	// };	
	for(int i=0; i<n; i++){
		add(i);
		if(press_button()>1) del(i);
	}
	cad=(int)s.size();
	mp[1]=s;
	for(int i=0; i<n; i++) mp[n].insert(i);
	int l=2,r=n/cad,ans=1;
	while(l<=r){
		int mid=(l+r)/2;
		vector <int> nw;
		auto op=mp.lower_bound(mid);
		for(auto i:(*op).second){
			if(s.find(i)!=s.end()) continue;
			add(i);
			if(press_button()>mid) del(i);
			else nw.push_back(i);
		}
		mp[mid]=s;
		if((int)s.size()>=cad*mid){
			ans=mid;
			l=mid+1;
		}else{
			r=mid-1;
			for(auto i:nw) del(i);
		}
	}
	return ans;
}
/**  /\_/\
*   (= ._.)
*   / >💖 \>💕
**/

Compilation message

insects.cpp:80:9: warning: "/*" within comment [-Wcomment]
   80 | /**  /\_/\
      |

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	1 ms	344 KB	Output is correct
3	Correct	1 ms	344 KB	Output is correct
4	Correct	1 ms	344 KB	Output is correct
5	Correct	1 ms	344 KB	Output is correct
6	Correct	3 ms	600 KB	Output is correct
7	Correct	2 ms	600 KB	Output is correct
8	Correct	3 ms	864 KB	Output is correct
9	Correct	4 ms	1128 KB	Output is correct
10	Correct	3 ms	600 KB	Output is correct
11	Correct	1 ms	600 KB	Output is correct
12	Correct	3 ms	600 KB	Output is correct
13	Correct	3 ms	600 KB	Output is correct
14	Correct	3 ms	856 KB	Output is correct
15	Correct	3 ms	468 KB	Output is correct
16	Correct	3 ms	856 KB	Output is correct
17	Correct	3 ms	856 KB	Output is correct
18	Correct	3 ms	600 KB	Output is correct
19	Correct	3 ms	600 KB	Output is correct
20	Correct	2 ms	600 KB	Output is correct
21	Correct	2 ms	596 KB	Output is correct
22	Correct	1 ms	600 KB	Output is correct

Subtask #2
15.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	1 ms	344 KB	Output is correct
3	Correct	1 ms	344 KB	Output is correct
4	Correct	1 ms	344 KB	Output is correct
5	Correct	1 ms	344 KB	Output is correct
6	Correct	3 ms	600 KB	Output is correct
7	Correct	2 ms	600 KB	Output is correct
8	Correct	3 ms	864 KB	Output is correct
9	Correct	4 ms	1128 KB	Output is correct
10	Correct	3 ms	600 KB	Output is correct
11	Correct	1 ms	600 KB	Output is correct
12	Correct	3 ms	600 KB	Output is correct
13	Correct	3 ms	600 KB	Output is correct
14	Correct	3 ms	856 KB	Output is correct
15	Correct	3 ms	468 KB	Output is correct
16	Correct	3 ms	856 KB	Output is correct
17	Correct	3 ms	856 KB	Output is correct
18	Correct	3 ms	600 KB	Output is correct
19	Correct	3 ms	600 KB	Output is correct
20	Correct	2 ms	600 KB	Output is correct
21	Correct	2 ms	596 KB	Output is correct
22	Correct	1 ms	600 KB	Output is correct
23	Correct	14 ms	1456 KB	Output is correct
24	Correct	5 ms	872 KB	Output is correct
25	Correct	15 ms	1276 KB	Output is correct
26	Correct	17 ms	756 KB	Output is correct
27	Correct	12 ms	672 KB	Output is correct
28	Correct	5 ms	1112 KB	Output is correct
29	Correct	12 ms	1104 KB	Output is correct
30	Correct	14 ms	1104 KB	Output is correct
31	Correct	14 ms	1288 KB	Output is correct
32	Correct	15 ms	1000 KB	Output is correct
33	Correct	15 ms	1008 KB	Output is correct
34	Correct	14 ms	1704 KB	Output is correct
35	Correct	13 ms	980 KB	Output is correct
36	Correct	13 ms	1164 KB	Output is correct
37	Correct	14 ms	1432 KB	Output is correct
38	Correct	11 ms	1000 KB	Output is correct
39	Correct	10 ms	968 KB	Output is correct
40	Correct	8 ms	1212 KB	Output is correct
41	Correct	6 ms	856 KB	Output is correct

Subtask #3
74.89 / 75.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	1 ms	344 KB	Output is correct
3	Correct	1 ms	344 KB	Output is correct
4	Correct	1 ms	344 KB	Output is correct
5	Correct	1 ms	344 KB	Output is correct
6	Correct	1 ms	344 KB	Output is correct
7	Correct	34 ms	1840 KB	Output is correct
8	Correct	11 ms	1216 KB	Output is correct
9	Correct	27 ms	1716 KB	Output is correct
10	Correct	34 ms	1084 KB	Output is correct
11	Correct	21 ms	684 KB	Output is correct
12	Correct	16 ms	856 KB	Output is correct
13	Correct	39 ms	592 KB	Output is correct
14	Correct	28 ms	856 KB	Output is correct
15	Correct	32 ms	1912 KB	Output is correct
16	Correct	30 ms	1556 KB	Output is correct
17	Correct	30 ms	1652 KB	Output is correct
18	Correct	30 ms	1076 KB	Output is correct
19	Partially correct	28 ms	1460 KB	Output is partially correct
20	Correct	25 ms	1624 KB	Output is correct
21	Correct	27 ms	1236 KB	Output is correct
22	Correct	31 ms	1104 KB	Output is correct
23	Correct	28 ms	1072 KB	Output is correct
24	Correct	27 ms	1368 KB	Output is correct
25	Correct	15 ms	1236 KB	Output is correct
26	Correct	9 ms	856 KB	Output is correct
27	Correct	26 ms	1360 KB	Output is correct
28	Correct	28 ms	1140 KB	Output is correct
29	Partially correct	27 ms	1456 KB	Output is partially correct
30	Partially correct	28 ms	1728 KB	Output is partially correct
31	Correct	26 ms	1360 KB	Output is correct
32	Correct	27 ms	1408 KB	Output is correct
33	Correct	27 ms	1276 KB	Output is correct
34	Correct	25 ms	1308 KB	Output is correct
35	Partially correct	29 ms	1268 KB	Output is partially correct
36	Partially correct	33 ms	1724 KB	Output is partially correct
37	Correct	30 ms	984 KB	Output is correct
38	Correct	24 ms	1512 KB	Output is correct
39	Correct	25 ms	1740 KB	Output is correct
40	Correct	26 ms	1720 KB	Output is correct
41	Partially correct	34 ms	1228 KB	Output is partially correct
42	Partially correct	28 ms	1704 KB	Output is partially correct
43	Correct	6 ms	856 KB	Output is correct
44	Correct	28 ms	696 KB	Output is correct
45	Correct	28 ms	1728 KB	Output is correct
46	Correct	19 ms	1208 KB	Output is correct
47	Correct	18 ms	1112 KB	Output is correct
48	Correct	16 ms	856 KB	Output is correct

Submission #988558

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 15.0 / 15.0

Subtask #3 74.89 / 75.0

Subtask #1
10.0 / 10.0

Subtask #2
15.0 / 15.0

Subtask #3
74.89 / 75.0