//viewed solution
#include "insects.h"
#include<bits/stdc++.h>
using namespace std;
mt19937 rng(random_device{}());
vector<int>ins,notin,notin2;
int types,init=0;
bool check(int mid){
ins.clear();
notin2.clear();
shuffle(notin.begin(),notin.end(),rng);
for(auto i:notin){
if(init==mid*types) {
notin2.push_back(i);
continue;
}
move_inside(i);
if(press_button()>mid)
move_outside(i),
notin2.push_back(i);
else init++,ins.push_back(i);
}
return init==mid*types;
}
int min_cardinality(int N) {
for(int i=0;i<N;i++){
move_inside(i);
int val=press_button();
if(val-1)
notin.push_back(i),
move_outside(i);
else types++;
}
if(types==1)
return N;
int l=1,r=N/types;
init=types;
while(l<r){
int mid=l+r+1>>1;
if(check(mid)){
notin=notin2;
l=mid;
} else {
r=mid-1;
for(auto i:ins)
move_outside(i),init--;
vector<int>bad(N),neni;
for(auto i:notin2)
bad[i]=1;
for(auto i:notin)
if(!bad[i])
neni.push_back(i);
notin=neni;
}
}
return l;
}
Compilation message
insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:39:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
39 | int mid=l+r+1>>1;
| ~~~^~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
344 KB |
Output is correct |
| 3 |
Correct |
0 ms |
344 KB |
Output is correct |
| 4 |
Correct |
0 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 |
1 ms |
344 KB |
Output is correct |
| 8 |
Correct |
3 ms |
344 KB |
Output is correct |
| 9 |
Correct |
3 ms |
600 KB |
Output is correct |
| 10 |
Correct |
2 ms |
600 KB |
Output is correct |
| 11 |
Correct |
1 ms |
344 KB |
Output is correct |
| 12 |
Correct |
3 ms |
600 KB |
Output is correct |
| 13 |
Correct |
3 ms |
600 KB |
Output is correct |
| 14 |
Correct |
3 ms |
344 KB |
Output is correct |
| 15 |
Correct |
2 ms |
344 KB |
Output is correct |
| 16 |
Correct |
2 ms |
344 KB |
Output is correct |
| 17 |
Correct |
3 ms |
344 KB |
Output is correct |
| 18 |
Correct |
2 ms |
600 KB |
Output is correct |
| 19 |
Correct |
3 ms |
444 KB |
Output is correct |
| 20 |
Correct |
2 ms |
344 KB |
Output is correct |
| 21 |
Correct |
2 ms |
600 KB |
Output is correct |
| 22 |
Correct |
1 ms |
344 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
344 KB |
Output is correct |
| 3 |
Correct |
0 ms |
344 KB |
Output is correct |
| 4 |
Correct |
0 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 |
1 ms |
344 KB |
Output is correct |
| 8 |
Correct |
3 ms |
344 KB |
Output is correct |
| 9 |
Correct |
3 ms |
600 KB |
Output is correct |
| 10 |
Correct |
2 ms |
600 KB |
Output is correct |
| 11 |
Correct |
1 ms |
344 KB |
Output is correct |
| 12 |
Correct |
3 ms |
600 KB |
Output is correct |
| 13 |
Correct |
3 ms |
600 KB |
Output is correct |
| 14 |
Correct |
3 ms |
344 KB |
Output is correct |
| 15 |
Correct |
2 ms |
344 KB |
Output is correct |
| 16 |
Correct |
2 ms |
344 KB |
Output is correct |
| 17 |
Correct |
3 ms |
344 KB |
Output is correct |
| 18 |
Correct |
2 ms |
600 KB |
Output is correct |
| 19 |
Correct |
3 ms |
444 KB |
Output is correct |
| 20 |
Correct |
2 ms |
344 KB |
Output is correct |
| 21 |
Correct |
2 ms |
600 KB |
Output is correct |
| 22 |
Correct |
1 ms |
344 KB |
Output is correct |
| 23 |
Correct |
5 ms |
696 KB |
Output is correct |
| 24 |
Correct |
5 ms |
344 KB |
Output is correct |
| 25 |
Correct |
11 ms |
704 KB |
Output is correct |
| 26 |
Correct |
11 ms |
856 KB |
Output is correct |
| 27 |
Correct |
10 ms |
956 KB |
Output is correct |
| 28 |
Correct |
5 ms |
600 KB |
Output is correct |
| 29 |
Correct |
14 ms |
344 KB |
Output is correct |
| 30 |
Correct |
13 ms |
856 KB |
Output is correct |
| 31 |
Correct |
9 ms |
600 KB |
Output is correct |
| 32 |
Correct |
10 ms |
856 KB |
Output is correct |
| 33 |
Correct |
12 ms |
696 KB |
Output is correct |
| 34 |
Correct |
10 ms |
600 KB |
Output is correct |
| 35 |
Correct |
11 ms |
440 KB |
Output is correct |
| 36 |
Correct |
12 ms |
600 KB |
Output is correct |
| 37 |
Correct |
14 ms |
852 KB |
Output is correct |
| 38 |
Correct |
11 ms |
600 KB |
Output is correct |
| 39 |
Correct |
9 ms |
856 KB |
Output is correct |
| 40 |
Correct |
8 ms |
600 KB |
Output is correct |
| 41 |
Correct |
6 ms |
440 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
344 KB |
Output is correct |
| 3 |
Correct |
0 ms |
344 KB |
Output is correct |
| 4 |
Correct |
0 ms |
344 KB |
Output is correct |
| 5 |
Correct |
0 ms |
344 KB |
Output is correct |
| 6 |
Correct |
0 ms |
344 KB |
Output is correct |
| 7 |
Correct |
8 ms |
600 KB |
Output is correct |
| 8 |
Correct |
10 ms |
344 KB |
Output is correct |
| 9 |
Correct |
24 ms |
448 KB |
Output is correct |
| 10 |
Correct |
26 ms |
600 KB |
Output is correct |
| 11 |
Correct |
21 ms |
604 KB |
Output is correct |
| 12 |
Correct |
15 ms |
856 KB |
Output is correct |
| 13 |
Correct |
24 ms |
676 KB |
Output is correct |
| 14 |
Correct |
24 ms |
952 KB |
Output is correct |
| 15 |
Correct |
20 ms |
856 KB |
Output is correct |
| 16 |
Correct |
22 ms |
856 KB |
Output is correct |
| 17 |
Correct |
26 ms |
700 KB |
Output is correct |
| 18 |
Correct |
24 ms |
696 KB |
Output is correct |
| 19 |
Correct |
24 ms |
448 KB |
Output is correct |
| 20 |
Correct |
27 ms |
604 KB |
Output is correct |
| 21 |
Correct |
25 ms |
948 KB |
Output is correct |
| 22 |
Correct |
25 ms |
708 KB |
Output is correct |
| 23 |
Correct |
24 ms |
696 KB |
Output is correct |
| 24 |
Correct |
22 ms |
856 KB |
Output is correct |
| 25 |
Correct |
14 ms |
936 KB |
Output is correct |
| 26 |
Correct |
8 ms |
848 KB |
Output is correct |
| 27 |
Correct |
20 ms |
848 KB |
Output is correct |
| 28 |
Correct |
24 ms |
704 KB |
Output is correct |
| 29 |
Correct |
20 ms |
604 KB |
Output is correct |
| 30 |
Correct |
28 ms |
684 KB |
Output is correct |
| 31 |
Correct |
31 ms |
856 KB |
Output is correct |
| 32 |
Correct |
24 ms |
948 KB |
Output is correct |
| 33 |
Correct |
23 ms |
600 KB |
Output is correct |
| 34 |
Correct |
31 ms |
444 KB |
Output is correct |
| 35 |
Correct |
21 ms |
852 KB |
Output is correct |
| 36 |
Correct |
26 ms |
684 KB |
Output is correct |
| 37 |
Correct |
28 ms |
448 KB |
Output is correct |
| 38 |
Correct |
28 ms |
860 KB |
Output is correct |
| 39 |
Correct |
36 ms |
856 KB |
Output is correct |
| 40 |
Correct |
20 ms |
592 KB |
Output is correct |
| 41 |
Correct |
26 ms |
856 KB |
Output is correct |
| 42 |
Correct |
31 ms |
856 KB |
Output is correct |
| 43 |
Correct |
6 ms |
856 KB |
Output is correct |
| 44 |
Correct |
18 ms |
864 KB |
Output is correct |
| 45 |
Correct |
25 ms |
856 KB |
Output is correct |
| 46 |
Correct |
18 ms |
688 KB |
Output is correct |
| 47 |
Correct |
15 ms |
936 KB |
Output is correct |
| 48 |
Correct |
12 ms |
600 KB |
Output is correct |
