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Submission #988572

# Submission time Handle Problem Language Result Execution time Memory
988572 2024-05-25T07:31:34 Z cnn008 Rarest Insects (IOI22_insects) C++17
99.95 / 100
 34 ms 1688 KB 
#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());

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{
		if(s.find(i)!=s.end()) return;
		s.insert(i);
		move_inside(i);
	};
	auto del = [&](int i) -> void{
		s.erase(s.find(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;
			if((int)s.size()>=cad*k) return 1;
			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(p[i]);
		if(press_button()>1) del(p[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;
		if(check(mid)){
			ans=mid;
			l=mid+1;
		}else{
			r=mid-1;
			for(auto i:nw) del(i);
		}
	}
	return ans;
}
/**  /\_/\
*   (= ._.)
*   / >💖 \>💕
**/

Compilation message

insects.cpp:69:9: warning: "/*" within comment [-Wcomment]
   69 | /**  /\_/\
      |

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 596 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 2 ms 600 KB Output is correct
7 Correct 1 ms 600 KB Output is correct
8 Correct 3 ms 856 KB Output is correct
9 Correct 3 ms 856 KB Output is correct
10 Correct 2 ms 600 KB Output is correct
11 Correct 2 ms 344 KB Output is correct
12 Correct 3 ms 600 KB Output is correct
13 Correct 3 ms 596 KB Output is correct
14 Correct 3 ms 856 KB Output is correct
15 Correct 3 ms 856 KB Output is correct
16 Correct 3 ms 344 KB Output is correct
17 Correct 3 ms 856 KB Output is correct
18 Correct 3 ms 600 KB Output is correct
19 Correct 4 ms 852 KB Output is correct
20 Correct 3 ms 856 KB Output is correct
21 Correct 2 ms 344 KB Output is correct
22 Correct 2 ms 600 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 596 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 2 ms 600 KB Output is correct
7 Correct 1 ms 600 KB Output is correct
8 Correct 3 ms 856 KB Output is correct
9 Correct 3 ms 856 KB Output is correct
10 Correct 2 ms 600 KB Output is correct
11 Correct 2 ms 344 KB Output is correct
12 Correct 3 ms 600 KB Output is correct
13 Correct 3 ms 596 KB Output is correct
14 Correct 3 ms 856 KB Output is correct
15 Correct 3 ms 856 KB Output is correct
16 Correct 3 ms 344 KB Output is correct
17 Correct 3 ms 856 KB Output is correct
18 Correct 3 ms 600 KB Output is correct
19 Correct 4 ms 852 KB Output is correct
20 Correct 3 ms 856 KB Output is correct
21 Correct 2 ms 344 KB Output is correct
22 Correct 2 ms 600 KB Output is correct
23 Correct 10 ms 1112 KB Output is correct
24 Correct 5 ms 1112 KB Output is correct
25 Correct 10 ms 704 KB Output is correct
26 Correct 14 ms 1064 KB Output is correct
27 Correct 12 ms 700 KB Output is correct
28 Correct 5 ms 600 KB Output is correct
29 Correct 14 ms 600 KB Output is correct
30 Correct 14 ms 1472 KB Output is correct
31 Correct 13 ms 1120 KB Output is correct
32 Correct 12 ms 968 KB Output is correct
33 Correct 13 ms 1384 KB Output is correct
34 Correct 14 ms 600 KB Output is correct
35 Correct 13 ms 1104 KB Output is correct
36 Correct 15 ms 1308 KB Output is correct
37 Correct 12 ms 1484 KB Output is correct
38 Correct 11 ms 960 KB Output is correct
39 Correct 10 ms 1112 KB Output is correct
40 Correct 8 ms 856 KB Output is correct
41 Correct 5 ms 1112 KB Output is correct

Subtask #3
74.95 / 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 24 ms 1444 KB Output is correct
8 Correct 12 ms 1032 KB Output is correct
9 Correct 30 ms 1688 KB Output is correct
10 Correct 25 ms 1512 KB Output is correct
11 Correct 25 ms 676 KB Output is correct
12 Correct 16 ms 1480 KB Output is correct
13 Correct 31 ms 1412 KB Output is correct
14 Correct 25 ms 1232 KB Output is correct
15 Correct 21 ms 1592 KB Output is correct
16 Correct 23 ms 1676 KB Output is correct
17 Correct 29 ms 948 KB Output is correct
18 Correct 25 ms 1288 KB Output is correct
19 Correct 33 ms 1424 KB Output is correct
20 Correct 24 ms 1360 KB Output is correct
21 Correct 26 ms 1464 KB Output is correct
22 Correct 29 ms 876 KB Output is correct
23 Correct 29 ms 924 KB Output is correct
24 Correct 26 ms 984 KB Output is correct
25 Correct 15 ms 1360 KB Output is correct
26 Correct 10 ms 1240 KB Output is correct
27 Correct 28 ms 1484 KB Output is correct
28 Correct 19 ms 904 KB Output is correct
29 Correct 29 ms 1668 KB Output is correct
30 Correct 31 ms 920 KB Output is correct
31 Correct 29 ms 1200 KB Output is correct
32 Correct 26 ms 1196 KB Output is correct
33 Correct 31 ms 1052 KB Output is correct
34 Correct 29 ms 1104 KB Output is correct
35 Partially correct 32 ms 960 KB Output is partially correct
36 Correct 27 ms 1188 KB Output is correct
37 Correct 28 ms 1488 KB Output is correct
38 Correct 27 ms 1456 KB Output is correct
39 Correct 22 ms 1364 KB Output is correct
40 Correct 18 ms 1636 KB Output is correct
41 Correct 26 ms 1460 KB Output is correct
42 Partially correct 34 ms 1252 KB Output is partially correct
43 Correct 7 ms 856 KB Output is correct
44 Correct 23 ms 856 KB Output is correct
45 Correct 23 ms 1248 KB Output is correct
46 Correct 15 ms 968 KB Output is correct
47 Correct 15 ms 1376 KB Output is correct
48 Correct 15 ms 856 KB Output is correct