Submission #988533

# Submission time Handle Problem Language Result Execution time Memory
988533 2024-05-25T06:09:50 Z cnn008 Rarest Insects (IOI22_insects) C++17
57.25 / 100
107 ms 1484 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

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

int min_cardinality(int n){
	set <int> s;
	vector <int> nw;
	int cad=0;
	auto add = [&](int i) -> void{
		s.insert(i);
		move_inside(i);
	};
	auto del = [&](int i) -> void{
		s.erase(i);
		move_outside(i);
	};
	auto clear = [&]() -> void{
		auto _s=s;
		for(auto i:_s) del(i);
	};
	auto check = [&](int k) -> bool{
		nw.clear();
		for(int i=0; i<n; i++){
			if(s.find(i)!=s.end()) continue;
			add(i);
			if(press_button()>k) del(i);
			else nw.push_back(i);
		}
		return (int)s.size()>=cad*k;
	};
	for(int i=0; i<n; i++){
		add(i);
		if(press_button()==1) cad++;
		else del(i);
	}
	clear();
	if(cad<=9){
		vector <int> vis(n,0);
		int type=0;
		for(int i=0; i<n; i++){
			if(!vis[i]){
				vis[i]=++type;
				move_inside(i);
				for(int j=i+1; j<n; j++){
					move_inside(j);
					int val=press_button();
					if(val==2) vis[j]=type;
					move_outside(j);
				}
				move_outside(i);
			}
		}
		map <int,int> mp;
		for(int i=0; i<n; i++) mp[vis[i]]++;
		int ans=INT_MAX;
		for(auto [x,y]:mp) ans=min(ans,y);
		return ans;
	}
	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:84:9: warning: "/*" within comment [-Wcomment]
   84 | /**  /\_/\
      |
# 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 696 KB Output is correct
9 Correct 5 ms 692 KB Output is correct
10 Correct 3 ms 344 KB Output is correct
11 Correct 2 ms 344 KB Output is correct
12 Correct 5 ms 596 KB Output is correct
13 Correct 4 ms 600 KB Output is correct
14 Correct 5 ms 344 KB Output is correct
15 Correct 7 ms 344 KB Output is correct
16 Correct 3 ms 600 KB Output is correct
17 Correct 3 ms 856 KB Output is correct
18 Correct 5 ms 600 KB Output is correct
19 Correct 3 ms 600 KB Output is correct
20 Correct 3 ms 692 KB Output is correct
21 Correct 3 ms 596 KB Output is correct
22 Correct 2 ms 600 KB Output is correct
# 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 696 KB Output is correct
9 Correct 5 ms 692 KB Output is correct
10 Correct 3 ms 344 KB Output is correct
11 Correct 2 ms 344 KB Output is correct
12 Correct 5 ms 596 KB Output is correct
13 Correct 4 ms 600 KB Output is correct
14 Correct 5 ms 344 KB Output is correct
15 Correct 7 ms 344 KB Output is correct
16 Correct 3 ms 600 KB Output is correct
17 Correct 3 ms 856 KB Output is correct
18 Correct 5 ms 600 KB Output is correct
19 Correct 3 ms 600 KB Output is correct
20 Correct 3 ms 692 KB Output is correct
21 Correct 3 ms 596 KB Output is correct
22 Correct 2 ms 600 KB Output is correct
23 Correct 9 ms 600 KB Output is correct
24 Correct 5 ms 980 KB Output is correct
25 Correct 12 ms 716 KB Output is correct
26 Correct 17 ms 880 KB Output is correct
27 Correct 14 ms 428 KB Output is correct
28 Correct 6 ms 856 KB Output is correct
29 Correct 23 ms 600 KB Output is correct
30 Correct 26 ms 600 KB Output is correct
31 Correct 27 ms 428 KB Output is correct
32 Correct 38 ms 432 KB Output is correct
33 Correct 16 ms 600 KB Output is correct
34 Correct 16 ms 704 KB Output is correct
35 Correct 15 ms 856 KB Output is correct
36 Correct 18 ms 852 KB Output is correct
37 Correct 19 ms 1108 KB Output is correct
38 Correct 18 ms 860 KB Output is correct
39 Correct 13 ms 1112 KB Output is correct
40 Correct 10 ms 860 KB Output is correct
41 Correct 5 ms 1144 KB Output is correct
# 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 352 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 17 ms 408 KB Output is correct
8 Correct 10 ms 1120 KB Output is correct
9 Correct 25 ms 1448 KB Output is correct
10 Partially correct 41 ms 1200 KB Output is partially correct
11 Correct 30 ms 412 KB Output is correct
12 Correct 17 ms 1124 KB Output is correct
13 Partially correct 43 ms 600 KB Output is partially correct
14 Partially correct 55 ms 876 KB Output is partially correct
15 Partially correct 57 ms 600 KB Output is partially correct
16 Partially correct 107 ms 600 KB Output is partially correct
17 Partially correct 33 ms 996 KB Output is partially correct
18 Partially correct 37 ms 692 KB Output is partially correct
19 Partially correct 35 ms 972 KB Output is partially correct
20 Partially correct 42 ms 1108 KB Output is partially correct
21 Partially correct 38 ms 1228 KB Output is partially correct
22 Partially correct 55 ms 948 KB Output is partially correct
23 Partially correct 37 ms 720 KB Output is partially correct
24 Correct 28 ms 860 KB Output is correct
25 Correct 17 ms 1212 KB Output is correct
26 Correct 10 ms 1112 KB Output is correct
27 Correct 28 ms 1484 KB Output is correct
28 Correct 25 ms 1220 KB Output is correct
29 Partially correct 26 ms 1216 KB Output is partially correct
30 Partially correct 28 ms 1020 KB Output is partially correct
31 Partially correct 33 ms 928 KB Output is partially correct
32 Partially correct 41 ms 1204 KB Output is partially correct
33 Partially correct 45 ms 932 KB Output is partially correct
34 Partially correct 55 ms 592 KB Output is partially correct
35 Partially correct 27 ms 908 KB Output is partially correct
36 Partially correct 29 ms 716 KB Output is partially correct
37 Partially correct 39 ms 944 KB Output is partially correct
38 Partially correct 39 ms 1408 KB Output is partially correct
39 Correct 30 ms 980 KB Output is correct
40 Correct 23 ms 944 KB Output is correct
41 Partially correct 35 ms 1440 KB Output is partially correct
42 Partially correct 27 ms 1372 KB Output is partially correct
43 Partially correct 13 ms 600 KB Output is partially correct
44 Partially correct 50 ms 600 KB Output is partially correct
45 Correct 28 ms 600 KB Output is correct
46 Correct 17 ms 856 KB Output is correct
47 Correct 17 ms 872 KB Output is correct
48 Correct 20 ms 1148 KB Output is correct