oj.uz

Submission #988559

# Submission time Handle Problem Language Result Execution time Memory
988559 2024-05-25T07:13:27 Z cnn008 Rarest Insects (IOI22_insects) C++17
99.89 / 100
 39 ms 2248 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());
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;
		if(check(mid)){
			ans=mid;
			l=mid+1;
		}else{
			r=mid-1;
			for(auto i:nw) del(i);
		}
	}
	return ans;
}
/**  /\_/\
*   (= ._.)
*   / >💖 \>💕
**/

Compilation message

insects.cpp:71:9: warning: "/*" within comment [-Wcomment]
   71 | /**  /\_/\
      |

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 624 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 3 ms 856 KB Output is correct
9 Correct 3 ms 856 KB Output is correct
10 Correct 3 ms 600 KB Output is correct
11 Correct 2 ms 600 KB Output is correct
12 Correct 3 ms 344 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 1112 KB Output is correct
16 Correct 3 ms 600 KB Output is correct
17 Correct 3 ms 964 KB Output is correct
18 Correct 3 ms 720 KB Output is correct
19 Correct 3 ms 600 KB Output is correct
20 Correct 2 ms 344 KB Output is correct
21 Correct 2 ms 600 KB Output is correct
22 Correct 2 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 3 ms 624 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 3 ms 856 KB Output is correct
9 Correct 3 ms 856 KB Output is correct
10 Correct 3 ms 600 KB Output is correct
11 Correct 2 ms 600 KB Output is correct
12 Correct 3 ms 344 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 1112 KB Output is correct
16 Correct 3 ms 600 KB Output is correct
17 Correct 3 ms 964 KB Output is correct
18 Correct 3 ms 720 KB Output is correct
19 Correct 3 ms 600 KB Output is correct
20 Correct 2 ms 344 KB Output is correct
21 Correct 2 ms 600 KB Output is correct
22 Correct 2 ms 344 KB Output is correct
23 Correct 19 ms 1260 KB Output is correct
24 Correct 6 ms 856 KB Output is correct
25 Correct 18 ms 1056 KB Output is correct
26 Correct 15 ms 1056 KB Output is correct
27 Correct 11 ms 856 KB Output is correct
28 Correct 6 ms 600 KB Output is correct
29 Correct 16 ms 1208 KB Output is correct
30 Correct 14 ms 696 KB Output is correct
31 Correct 15 ms 1036 KB Output is correct
32 Correct 14 ms 1112 KB Output is correct
33 Correct 15 ms 1440 KB Output is correct
34 Correct 14 ms 940 KB Output is correct
35 Correct 14 ms 940 KB Output is correct
36 Correct 19 ms 1184 KB Output is correct
37 Correct 16 ms 1084 KB Output is correct
38 Correct 11 ms 968 KB Output is correct
39 Correct 13 ms 1376 KB Output is correct
40 Correct 8 ms 860 KB Output is correct
41 Correct 5 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 340 KB Output is correct
5 Correct 1 ms 596 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 31 ms 1764 KB Output is correct
8 Correct 12 ms 1108 KB Output is correct
9 Correct 36 ms 1464 KB Output is correct
10 Correct 31 ms 1432 KB Output is correct
11 Correct 27 ms 688 KB Output is correct
12 Correct 17 ms 1212 KB Output is correct
13 Correct 27 ms 1212 KB Output is correct
14 Correct 25 ms 948 KB Output is correct
15 Correct 35 ms 1816 KB Output is correct
16 Correct 30 ms 1400 KB Output is correct
17 Correct 28 ms 1880 KB Output is correct
18 Correct 36 ms 1492 KB Output is correct
19 Partially correct 31 ms 1300 KB Output is partially correct
20 Correct 38 ms 1852 KB Output is correct
21 Correct 33 ms 1700 KB Output is correct
22 Correct 28 ms 972 KB Output is correct
23 Correct 24 ms 1212 KB Output is correct
24 Correct 21 ms 948 KB Output is correct
25 Correct 19 ms 1204 KB Output is correct
26 Correct 12 ms 708 KB Output is correct
27 Correct 39 ms 1872 KB Output is correct
28 Correct 33 ms 1828 KB Output is correct
29 Partially correct 28 ms 1916 KB Output is partially correct
30 Partially correct 35 ms 2248 KB Output is partially correct
31 Correct 27 ms 1200 KB Output is correct
32 Correct 30 ms 1400 KB Output is correct
33 Correct 24 ms 680 KB Output is correct
34 Correct 25 ms 856 KB Output is correct
35 Partially correct 27 ms 1284 KB Output is partially correct
36 Partially correct 29 ms 1964 KB Output is partially correct
37 Correct 26 ms 1644 KB Output is correct
38 Correct 31 ms 1904 KB Output is correct
39 Correct 28 ms 1152 KB Output is correct
40 Correct 24 ms 1372 KB Output is correct
41 Partially correct 28 ms 1692 KB Output is partially correct
42 Partially correct 31 ms 1648 KB Output is partially correct
43 Correct 6 ms 600 KB Output is correct
44 Correct 23 ms 848 KB Output is correct
45 Correct 27 ms 2204 KB Output is correct
46 Correct 14 ms 872 KB Output is correct
47 Correct 16 ms 716 KB Output is correct
48 Correct 17 ms 732 KB Output is correct