oj.uz

Submission #988571

# Submission time Handle Problem Language Result Execution time Memory
988571 2024-05-25T07:30:16 Z cnn008 Rarest Insects (IOI22_insects) C++17
99.99 / 100
 32 ms 1824 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++) del(i);
	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:70:9: warning: "/*" within comment [-Wcomment]
   70 | /**  /\_/\
      |

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 2 ms 344 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 3 ms 600 KB Output is correct
9 Correct 3 ms 856 KB Output is correct
10 Correct 3 ms 600 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 3 ms 856 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 600 KB Output is correct
16 Correct 3 ms 600 KB Output is correct
17 Correct 3 ms 856 KB Output is correct
18 Correct 4 ms 956 KB Output is correct
19 Correct 3 ms 600 KB Output is correct
20 Correct 3 ms 856 KB Output is correct
21 Correct 2 ms 856 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 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 2 ms 344 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 3 ms 600 KB Output is correct
9 Correct 3 ms 856 KB Output is correct
10 Correct 3 ms 600 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 3 ms 856 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 600 KB Output is correct
16 Correct 3 ms 600 KB Output is correct
17 Correct 3 ms 856 KB Output is correct
18 Correct 4 ms 956 KB Output is correct
19 Correct 3 ms 600 KB Output is correct
20 Correct 3 ms 856 KB Output is correct
21 Correct 2 ms 856 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 10 ms 600 KB Output is correct
24 Correct 5 ms 712 KB Output is correct
25 Correct 11 ms 1104 KB Output is correct
26 Correct 14 ms 1104 KB Output is correct
27 Correct 11 ms 848 KB Output is correct
28 Correct 5 ms 600 KB Output is correct
29 Correct 14 ms 700 KB Output is correct
30 Correct 13 ms 1112 KB Output is correct
31 Correct 11 ms 980 KB Output is correct
32 Correct 13 ms 1636 KB Output is correct
33 Correct 17 ms 1368 KB Output is correct
34 Correct 12 ms 1112 KB Output is correct
35 Correct 15 ms 1368 KB Output is correct
36 Correct 11 ms 864 KB Output is correct
37 Correct 12 ms 1116 KB Output is correct
38 Correct 11 ms 600 KB Output is correct
39 Correct 13 ms 856 KB Output is correct
40 Correct 7 ms 600 KB Output is correct
41 Correct 5 ms 1112 KB Output is correct

Subtask #3
74.99 / 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 0 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 436 KB Output is correct
7 Correct 18 ms 1208 KB Output is correct
8 Correct 9 ms 1112 KB Output is correct
9 Correct 27 ms 1444 KB Output is correct
10 Correct 26 ms 704 KB Output is correct
11 Correct 22 ms 956 KB Output is correct
12 Correct 18 ms 1224 KB Output is correct
13 Correct 26 ms 864 KB Output is correct
14 Correct 32 ms 1132 KB Output is correct
15 Correct 23 ms 1520 KB Output is correct
16 Correct 26 ms 1672 KB Output is correct
17 Correct 24 ms 1716 KB Output is correct
18 Correct 25 ms 1176 KB Output is correct
19 Correct 23 ms 1460 KB Output is correct
20 Correct 23 ms 1824 KB Output is correct
21 Correct 24 ms 1672 KB Output is correct
22 Correct 25 ms 1068 KB Output is correct
23 Correct 21 ms 1220 KB Output is correct
24 Correct 20 ms 960 KB Output is correct
25 Correct 18 ms 1116 KB Output is correct
26 Correct 11 ms 1368 KB Output is correct
27 Correct 27 ms 956 KB Output is correct
28 Correct 20 ms 688 KB Output is correct
29 Correct 22 ms 1456 KB Output is correct
30 Correct 29 ms 1704 KB Output is correct
31 Correct 31 ms 1340 KB Output is correct
32 Correct 27 ms 1356 KB Output is correct
33 Correct 27 ms 944 KB Output is correct
34 Correct 26 ms 1108 KB Output is correct
35 Correct 28 ms 1112 KB Output is correct
36 Correct 24 ms 1464 KB Output is correct
37 Correct 25 ms 1492 KB Output is correct
38 Correct 32 ms 1428 KB Output is correct
39 Correct 21 ms 1200 KB Output is correct
40 Correct 18 ms 1224 KB Output is correct
41 Correct 22 ms 1084 KB Output is correct
42 Partially correct 30 ms 1212 KB Output is partially correct
43 Correct 7 ms 656 KB Output is correct
44 Correct 19 ms 1028 KB Output is correct
45 Correct 21 ms 1720 KB Output is correct
46 Correct 14 ms 1228 KB Output is correct
47 Correct 16 ms 964 KB Output is correct
48 Correct 14 ms 1364 KB Output is correct