oj.uz

Submission #988567

# Submission time Handle Problem Language Result Execution time Memory
988567 2024-05-25T07:23:25 Z cnn008 Rarest Insects (IOI22_insects) C++17
99.95 / 100
 37 ms 2092 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{
		s.insert(i);
		move_inside(i);
	};
	auto del = [&](int i) -> void{
		s.erase(i);
		move_outside(i);
	};
	auto check = [&](int k) -> int{
		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:68:9: warning: "/*" within comment [-Wcomment]
   68 | /**  /\_/\
      |

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 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 2 ms 600 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 3 ms 852 KB Output is correct
9 Correct 3 ms 596 KB Output is correct
10 Correct 3 ms 344 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 600 KB Output is correct
15 Correct 3 ms 856 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 2 ms 700 KB Output is correct
20 Correct 3 ms 860 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 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 2 ms 600 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 3 ms 852 KB Output is correct
9 Correct 3 ms 596 KB Output is correct
10 Correct 3 ms 344 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 600 KB Output is correct
15 Correct 3 ms 856 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 2 ms 700 KB Output is correct
20 Correct 3 ms 860 KB Output is correct
21 Correct 2 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 9 ms 856 KB Output is correct
24 Correct 5 ms 600 KB Output is correct
25 Correct 13 ms 816 KB Output is correct
26 Correct 13 ms 1196 KB Output is correct
27 Correct 11 ms 808 KB Output is correct
28 Correct 5 ms 344 KB Output is correct
29 Correct 14 ms 796 KB Output is correct
30 Correct 14 ms 956 KB Output is correct
31 Correct 11 ms 1208 KB Output is correct
32 Correct 11 ms 856 KB Output is correct
33 Correct 12 ms 1112 KB Output is correct
34 Correct 12 ms 1112 KB Output is correct
35 Correct 13 ms 856 KB Output is correct
36 Correct 13 ms 816 KB Output is correct
37 Correct 12 ms 1320 KB Output is correct
38 Correct 11 ms 704 KB Output is correct
39 Correct 12 ms 972 KB Output is correct
40 Correct 7 ms 988 KB Output is correct
41 Correct 5 ms 856 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 22 ms 1428 KB Output is correct
8 Correct 11 ms 992 KB Output is correct
9 Correct 25 ms 1440 KB Output is correct
10 Correct 26 ms 1584 KB Output is correct
11 Correct 23 ms 704 KB Output is correct
12 Correct 16 ms 976 KB Output is correct
13 Correct 32 ms 1228 KB Output is correct
14 Correct 25 ms 1152 KB Output is correct
15 Correct 22 ms 1188 KB Output is correct
16 Correct 24 ms 1196 KB Output is correct
17 Correct 26 ms 1244 KB Output is correct
18 Correct 22 ms 2092 KB Output is correct
19 Correct 25 ms 1136 KB Output is correct
20 Correct 23 ms 1672 KB Output is correct
21 Correct 34 ms 1204 KB Output is correct
22 Correct 27 ms 844 KB Output is correct
23 Correct 21 ms 1216 KB Output is correct
24 Correct 24 ms 1584 KB Output is correct
25 Correct 14 ms 1228 KB Output is correct
26 Correct 9 ms 1368 KB Output is correct
27 Correct 27 ms 1176 KB Output is correct
28 Correct 19 ms 1360 KB Output is correct
29 Correct 37 ms 1612 KB Output is correct
30 Correct 37 ms 1672 KB Output is correct
31 Correct 29 ms 1472 KB Output is correct
32 Correct 27 ms 960 KB Output is correct
33 Correct 29 ms 964 KB Output is correct
34 Correct 28 ms 1104 KB Output is correct
35 Partially correct 29 ms 1692 KB Output is partially correct
36 Correct 37 ms 1684 KB Output is correct
37 Correct 28 ms 1296 KB Output is correct
38 Correct 30 ms 1172 KB Output is correct
39 Correct 24 ms 1464 KB Output is correct
40 Correct 19 ms 1412 KB Output is correct
41 Correct 28 ms 1616 KB Output is correct
42 Partially correct 34 ms 1428 KB Output is partially correct
43 Correct 6 ms 600 KB Output is correct
44 Correct 20 ms 848 KB Output is correct
45 Correct 21 ms 1616 KB Output is correct
46 Correct 16 ms 1368 KB Output is correct
47 Correct 22 ms 1488 KB Output is correct
48 Correct 16 ms 976 KB Output is correct