Submission #826830

# Submission time Handle Problem Language Result Execution time Memory
826830 2023-08-16T05:12:24 Z ttamx Rarest Insects (IOI22_insects) C++17
99.78 / 100
54 ms 432 KB
#include "insects.h"
#include<bits/stdc++.h>

using namespace std;

int min_cardinality(int n){
	vector<int> permute(n);
	iota(permute.begin(),permute.end(),0);
	shuffle(permute.begin(),permute.end(),mt19937_64(time(nullptr)));
	auto movein=[&](int i){
		move_inside(permute[i]);
	};
	auto moveout=[&](int i){
		move_outside(permute[i]);
	};
	vector<int> single;
	for(int i=0;i<n;i++){
		movein(i);
		if(press_button()>1){
			moveout(i);
		}else{
			single.emplace_back(i);
		}
	}
	for(auto i:single)moveout(i);
	int k=single.size();
	vector<int> cur(n);
	iota(cur.begin(),cur.end(),0);
	int l=1,r=n/k;
	int cnt=0;
	while(l<r){
		int m=(l+r+1)/2;
		vector<int> vl,vr;
		for(auto i:cur){
			movein(i);
			if(press_button()>m){
				vr.emplace_back(i);
				moveout(i);
			}else{
				vl.emplace_back(i);
			}
		}
		if(vl.size()+cnt==k*m){
			l=m;
			cnt+=vl.size();
			cur=vr;
		}else{
			r=m-1;
			for(auto i:vl)moveout(i);
			cur=vl;
		}
	}
	return l;
}

Compilation message

insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:43:19: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   43 |   if(vl.size()+cnt==k*m){
      |      ~~~~~~~~~~~~~^~~~~
# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 0 ms 208 KB Output is correct
6 Correct 5 ms 296 KB Output is correct
7 Correct 2 ms 300 KB Output is correct
8 Correct 4 ms 300 KB Output is correct
9 Correct 6 ms 296 KB Output is correct
10 Correct 4 ms 208 KB Output is correct
11 Correct 2 ms 208 KB Output is correct
12 Correct 5 ms 208 KB Output is correct
13 Correct 3 ms 208 KB Output is correct
14 Correct 2 ms 296 KB Output is correct
15 Correct 4 ms 208 KB Output is correct
16 Correct 4 ms 300 KB Output is correct
17 Correct 2 ms 304 KB Output is correct
18 Correct 4 ms 208 KB Output is correct
19 Correct 4 ms 208 KB Output is correct
20 Correct 4 ms 300 KB Output is correct
21 Correct 4 ms 296 KB Output is correct
22 Correct 2 ms 208 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 0 ms 208 KB Output is correct
6 Correct 5 ms 296 KB Output is correct
7 Correct 2 ms 300 KB Output is correct
8 Correct 4 ms 300 KB Output is correct
9 Correct 6 ms 296 KB Output is correct
10 Correct 4 ms 208 KB Output is correct
11 Correct 2 ms 208 KB Output is correct
12 Correct 5 ms 208 KB Output is correct
13 Correct 3 ms 208 KB Output is correct
14 Correct 2 ms 296 KB Output is correct
15 Correct 4 ms 208 KB Output is correct
16 Correct 4 ms 300 KB Output is correct
17 Correct 2 ms 304 KB Output is correct
18 Correct 4 ms 208 KB Output is correct
19 Correct 4 ms 208 KB Output is correct
20 Correct 4 ms 300 KB Output is correct
21 Correct 4 ms 296 KB Output is correct
22 Correct 2 ms 208 KB Output is correct
23 Correct 22 ms 288 KB Output is correct
24 Correct 6 ms 208 KB Output is correct
25 Correct 18 ms 208 KB Output is correct
26 Correct 16 ms 280 KB Output is correct
27 Correct 21 ms 208 KB Output is correct
28 Correct 6 ms 208 KB Output is correct
29 Correct 23 ms 296 KB Output is correct
30 Correct 20 ms 208 KB Output is correct
31 Correct 18 ms 208 KB Output is correct
32 Correct 18 ms 208 KB Output is correct
33 Correct 22 ms 300 KB Output is correct
34 Correct 17 ms 300 KB Output is correct
35 Correct 17 ms 208 KB Output is correct
36 Correct 17 ms 308 KB Output is correct
37 Correct 19 ms 296 KB Output is correct
38 Correct 14 ms 432 KB Output is correct
39 Correct 14 ms 304 KB Output is correct
40 Correct 14 ms 208 KB Output is correct
41 Correct 9 ms 208 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 0 ms 208 KB Output is correct
6 Correct 0 ms 208 KB Output is correct
7 Correct 28 ms 304 KB Output is correct
8 Correct 13 ms 316 KB Output is correct
9 Correct 38 ms 304 KB Output is correct
10 Correct 36 ms 304 KB Output is correct
11 Correct 33 ms 304 KB Output is correct
12 Correct 25 ms 304 KB Output is correct
13 Correct 40 ms 296 KB Output is correct
14 Correct 38 ms 320 KB Output is correct
15 Correct 39 ms 288 KB Output is correct
16 Correct 48 ms 308 KB Output is correct
17 Correct 39 ms 208 KB Output is correct
18 Correct 48 ms 288 KB Output is correct
19 Partially correct 28 ms 336 KB Output is partially correct
20 Correct 37 ms 300 KB Output is correct
21 Correct 39 ms 284 KB Output is correct
22 Partially correct 54 ms 300 KB Output is partially correct
23 Correct 33 ms 208 KB Output is correct
24 Correct 44 ms 292 KB Output is correct
25 Correct 33 ms 304 KB Output is correct
26 Correct 12 ms 208 KB Output is correct
27 Correct 47 ms 300 KB Output is correct
28 Correct 20 ms 300 KB Output is correct
29 Partially correct 43 ms 208 KB Output is partially correct
30 Partially correct 38 ms 304 KB Output is partially correct
31 Correct 47 ms 304 KB Output is correct
32 Correct 39 ms 300 KB Output is correct
33 Correct 53 ms 300 KB Output is correct
34 Correct 51 ms 300 KB Output is correct
35 Partially correct 38 ms 300 KB Output is partially correct
36 Partially correct 21 ms 208 KB Output is partially correct
37 Correct 49 ms 288 KB Output is correct
38 Correct 49 ms 324 KB Output is correct
39 Correct 48 ms 304 KB Output is correct
40 Correct 39 ms 308 KB Output is correct
41 Partially correct 36 ms 304 KB Output is partially correct
42 Partially correct 42 ms 296 KB Output is partially correct
43 Correct 11 ms 208 KB Output is correct
44 Correct 38 ms 288 KB Output is correct
45 Correct 40 ms 300 KB Output is correct
46 Correct 26 ms 308 KB Output is correct
47 Correct 30 ms 308 KB Output is correct
48 Correct 26 ms 316 KB Output is correct