oj.uz

Submission #826836

# Submission time Handle Problem Language Result Execution time Memory
826836 2023-08-16T05:17:20 Z ttamx Rarest Insects (IOI22_insects) C++17
100 / 100
 51 ms 672 KB 
#include "insects.h"
#include<bits/stdc++.h>

using namespace std;

int min_cardinality(int n){
	vector<int> single;
	for(int i=0;i<n;i++){
		move_inside(i);
		if(press_button()>1){
			move_outside(i);
		}else{
			single.emplace_back(i);
		}
	}
	for(auto i:single)move_outside(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;
		shuffle(cur.begin(),cur.end(),mt19937_64(time(nullptr)));
		for(auto i:cur){
			if(vl.size()+cnt==k*m){
				vr.emplace_back(i);
				continue;
			}
			move_inside(i);
			if(press_button()>m){
				vr.emplace_back(i);
				move_outside(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)move_outside(i);
			cur=vl;
		}
	}
	return l;
}

Compilation message

insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:27:20: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   27 |    if(vl.size()+cnt==k*m){
      |       ~~~~~~~~~~~~~^~~~~
insects.cpp:39:19: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   39 |   if(vl.size()+cnt==k*m){
      |      ~~~~~~~~~~~~~^~~~~

Subtask #1
10.0 / 10.0

# 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 1 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 3 ms 208 KB Output is correct
7 Correct 3 ms 208 KB Output is correct
8 Correct 2 ms 208 KB Output is correct
9 Correct 11 ms 208 KB Output is correct
10 Correct 6 ms 300 KB Output is correct
11 Correct 1 ms 208 KB Output is correct
12 Correct 4 ms 208 KB Output is correct
13 Correct 4 ms 296 KB Output is correct
14 Correct 3 ms 208 KB Output is correct
15 Correct 3 ms 208 KB Output is correct
16 Correct 3 ms 208 KB Output is correct
17 Correct 6 ms 304 KB Output is correct
18 Correct 3 ms 208 KB Output is correct
19 Correct 5 ms 208 KB Output is correct
20 Correct 4 ms 208 KB Output is correct
21 Correct 4 ms 208 KB Output is correct
22 Correct 2 ms 208 KB Output is correct

Subtask #2
15.0 / 15.0

# 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 1 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 3 ms 208 KB Output is correct
7 Correct 3 ms 208 KB Output is correct
8 Correct 2 ms 208 KB Output is correct
9 Correct 11 ms 208 KB Output is correct
10 Correct 6 ms 300 KB Output is correct
11 Correct 1 ms 208 KB Output is correct
12 Correct 4 ms 208 KB Output is correct
13 Correct 4 ms 296 KB Output is correct
14 Correct 3 ms 208 KB Output is correct
15 Correct 3 ms 208 KB Output is correct
16 Correct 3 ms 208 KB Output is correct
17 Correct 6 ms 304 KB Output is correct
18 Correct 3 ms 208 KB Output is correct
19 Correct 5 ms 208 KB Output is correct
20 Correct 4 ms 208 KB Output is correct
21 Correct 4 ms 208 KB Output is correct
22 Correct 2 ms 208 KB Output is correct
23 Correct 15 ms 208 KB Output is correct
24 Correct 9 ms 308 KB Output is correct
25 Correct 19 ms 296 KB Output is correct
26 Correct 24 ms 332 KB Output is correct
27 Correct 17 ms 292 KB Output is correct
28 Correct 9 ms 308 KB Output is correct
29 Correct 20 ms 300 KB Output is correct
30 Correct 23 ms 300 KB Output is correct
31 Correct 15 ms 208 KB Output is correct
32 Correct 18 ms 304 KB Output is correct
33 Correct 16 ms 300 KB Output is correct
34 Correct 22 ms 208 KB Output is correct
35 Correct 21 ms 208 KB Output is correct
36 Correct 24 ms 208 KB Output is correct
37 Correct 17 ms 208 KB Output is correct
38 Correct 23 ms 296 KB Output is correct
39 Correct 21 ms 208 KB Output is correct
40 Correct 14 ms 296 KB Output is correct
41 Correct 7 ms 208 KB Output is correct

Subtask #3
75.0 / 75.0

# 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 35 ms 328 KB Output is correct
8 Correct 11 ms 312 KB Output is correct
9 Correct 40 ms 280 KB Output is correct
10 Correct 43 ms 280 KB Output is correct
11 Correct 28 ms 288 KB Output is correct
12 Correct 29 ms 312 KB Output is correct
13 Correct 36 ms 292 KB Output is correct
14 Correct 35 ms 208 KB Output is correct
15 Correct 39 ms 300 KB Output is correct
16 Correct 38 ms 280 KB Output is correct
17 Correct 29 ms 292 KB Output is correct
18 Correct 36 ms 208 KB Output is correct
19 Correct 34 ms 292 KB Output is correct
20 Correct 45 ms 292 KB Output is correct
21 Correct 51 ms 296 KB Output is correct
22 Correct 37 ms 296 KB Output is correct
23 Correct 36 ms 304 KB Output is correct
24 Correct 34 ms 300 KB Output is correct
25 Correct 33 ms 296 KB Output is correct
26 Correct 10 ms 208 KB Output is correct
27 Correct 33 ms 280 KB Output is correct
28 Correct 21 ms 292 KB Output is correct
29 Correct 37 ms 292 KB Output is correct
30 Correct 40 ms 296 KB Output is correct
31 Correct 29 ms 300 KB Output is correct
32 Correct 36 ms 296 KB Output is correct
33 Correct 39 ms 672 KB Output is correct
34 Correct 49 ms 304 KB Output is correct
35 Correct 23 ms 304 KB Output is correct
36 Correct 37 ms 308 KB Output is correct
37 Correct 47 ms 280 KB Output is correct
38 Correct 31 ms 296 KB Output is correct
39 Correct 39 ms 292 KB Output is correct
40 Correct 31 ms 288 KB Output is correct
41 Correct 34 ms 208 KB Output is correct
42 Correct 33 ms 292 KB Output is correct
43 Correct 10 ms 300 KB Output is correct
44 Correct 19 ms 416 KB Output is correct
45 Correct 36 ms 208 KB Output is correct
46 Correct 33 ms 308 KB Output is correct
47 Correct 28 ms 336 KB Output is correct
48 Correct 26 ms 300 KB Output is correct