oj.uz

Submission #826857

# Submission time Handle Problem Language Result Execution time Memory
826857 2023-08-16T05:31:00 Z ttamx Rarest Insects (IOI22_insects) C++17
100 / 100
 54 ms 464 KB 
#include "insects.h"
#include<bits/stdc++.h>

using namespace std;

int min_cardinality(int n){
	vector<int> single,cur;
	for(int i=0;i<n;i++){
		move_inside(i);
		if(press_button()>1){
			cur.emplace_back(i);
			move_outside(i);
		}else{
			single.emplace_back(i);
		}
	}
	int k=single.size();
	int l=1,r=n/k;
	int cnt=k;
	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:25:20: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   25 |    if(vl.size()+cnt==k*m){
      |       ~~~~~~~~~~~~~^~~~~
insects.cpp:37:19: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   37 |   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 2 ms 300 KB Output is correct
8 Correct 3 ms 208 KB Output is correct
9 Correct 4 ms 208 KB Output is correct
10 Correct 2 ms 208 KB Output is correct
11 Correct 2 ms 208 KB Output is correct
12 Correct 4 ms 208 KB Output is correct
13 Correct 3 ms 208 KB Output is correct
14 Correct 4 ms 208 KB Output is correct
15 Correct 5 ms 208 KB Output is correct
16 Correct 4 ms 208 KB Output is correct
17 Correct 5 ms 208 KB Output is correct
18 Correct 5 ms 336 KB Output is correct
19 Correct 3 ms 208 KB Output is correct
20 Correct 4 ms 208 KB Output is correct
21 Correct 2 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 2 ms 300 KB Output is correct
8 Correct 3 ms 208 KB Output is correct
9 Correct 4 ms 208 KB Output is correct
10 Correct 2 ms 208 KB Output is correct
11 Correct 2 ms 208 KB Output is correct
12 Correct 4 ms 208 KB Output is correct
13 Correct 3 ms 208 KB Output is correct
14 Correct 4 ms 208 KB Output is correct
15 Correct 5 ms 208 KB Output is correct
16 Correct 4 ms 208 KB Output is correct
17 Correct 5 ms 208 KB Output is correct
18 Correct 5 ms 336 KB Output is correct
19 Correct 3 ms 208 KB Output is correct
20 Correct 4 ms 208 KB Output is correct
21 Correct 2 ms 208 KB Output is correct
22 Correct 2 ms 208 KB Output is correct
23 Correct 14 ms 208 KB Output is correct
24 Correct 7 ms 300 KB Output is correct
25 Correct 19 ms 208 KB Output is correct
26 Correct 11 ms 464 KB Output is correct
27 Correct 17 ms 208 KB Output is correct
28 Correct 4 ms 208 KB Output is correct
29 Correct 24 ms 292 KB Output is correct
30 Correct 16 ms 304 KB Output is correct
31 Correct 8 ms 208 KB Output is correct
32 Correct 20 ms 428 KB Output is correct
33 Correct 19 ms 304 KB Output is correct
34 Correct 20 ms 304 KB Output is correct
35 Correct 21 ms 304 KB Output is correct
36 Correct 24 ms 296 KB Output is correct
37 Correct 15 ms 304 KB Output is correct
38 Correct 15 ms 308 KB Output is correct
39 Correct 9 ms 304 KB Output is correct
40 Correct 10 ms 208 KB Output is correct
41 Correct 8 ms 300 KB Output is correct

Subtask #3
75.0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 31 ms 300 KB Output is correct
8 Correct 13 ms 304 KB Output is correct
9 Correct 28 ms 292 KB Output is correct
10 Correct 43 ms 296 KB Output is correct
11 Correct 44 ms 300 KB Output is correct
12 Correct 16 ms 208 KB Output is correct
13 Correct 27 ms 308 KB Output is correct
14 Correct 54 ms 308 KB Output is correct
15 Correct 27 ms 304 KB Output is correct
16 Correct 38 ms 304 KB Output is correct
17 Correct 24 ms 300 KB Output is correct
18 Correct 29 ms 308 KB Output is correct
19 Correct 43 ms 292 KB Output is correct
20 Correct 42 ms 304 KB Output is correct
21 Correct 35 ms 308 KB Output is correct
22 Correct 38 ms 304 KB Output is correct
23 Correct 19 ms 308 KB Output is correct
24 Correct 36 ms 284 KB Output is correct
25 Correct 27 ms 300 KB Output is correct
26 Correct 15 ms 300 KB Output is correct
27 Correct 47 ms 304 KB Output is correct
28 Correct 39 ms 292 KB Output is correct
29 Correct 28 ms 300 KB Output is correct
30 Correct 33 ms 304 KB Output is correct
31 Correct 23 ms 300 KB Output is correct
32 Correct 46 ms 308 KB Output is correct
33 Correct 35 ms 304 KB Output is correct
34 Correct 47 ms 208 KB Output is correct
35 Correct 17 ms 208 KB Output is correct
36 Correct 46 ms 308 KB Output is correct
37 Correct 26 ms 308 KB Output is correct
38 Correct 35 ms 300 KB Output is correct
39 Correct 39 ms 300 KB Output is correct
40 Correct 24 ms 308 KB Output is correct
41 Correct 46 ms 300 KB Output is correct
42 Correct 28 ms 312 KB Output is correct
43 Correct 5 ms 312 KB Output is correct
44 Correct 40 ms 296 KB Output is correct
45 Correct 30 ms 296 KB Output is correct
46 Correct 27 ms 300 KB Output is correct
47 Correct 26 ms 300 KB Output is correct
48 Correct 19 ms 208 KB Output is correct