#include "insects.h"
#include<iostream>
int min_cardinality(int n) {
int types[n]{};
bool arein[n]{};
int last=0;
auto push=[&](int i){
move_inside(i);
arein[i]=1;
};
auto pop=[&](int i){
move_outside(i);
arein[i]=0;
};
auto query=[&](){
return last=press_button();
};
types[0]=1;
push(0);
int headcnt=1;
for(int i=1;i<n;i++){
push(i);
int cnt=query();
if(cnt!=1){
types[i]=2;
pop(i);
}else headcnt+=types[i]=1;
}
int ans=1;
int cnt=headcnt;
int l=2,r=n/headcnt;
while(l<=r){
int mid=l+r>>1;
for(int i=0;i<n;i++){
if(mid<types[i]&&arein[i]&&mid<last){
pop(i),cnt--;
}
}
for(int i=0;i<n;i++){
if(arein[i])continue;
push(i),cnt++;
int cnt1=query();
if(mid<cnt1)pop(i),cnt--;
if(types[i]<cnt1)types[i]=cnt1;
}
if(cnt==headcnt*mid){
ans=mid;
l=mid+1;
}else{
r=mid-1;
}
}
return ans;
}
Compilation message
insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:35:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
35 | int mid=l+r>>1;
| ~^~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
344 KB |
Output is correct |
| 2 |
Correct |
1 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 |
3 ms |
344 KB |
Output is correct |
| 7 |
Correct |
2 ms |
344 KB |
Output is correct |
| 8 |
Correct |
3 ms |
344 KB |
Output is correct |
| 9 |
Correct |
7 ms |
344 KB |
Output is correct |
| 10 |
Correct |
12 ms |
344 KB |
Output is correct |
| 11 |
Correct |
1 ms |
344 KB |
Output is correct |
| 12 |
Correct |
8 ms |
344 KB |
Output is correct |
| 13 |
Correct |
4 ms |
344 KB |
Output is correct |
| 14 |
Correct |
4 ms |
344 KB |
Output is correct |
| 15 |
Correct |
3 ms |
344 KB |
Output is correct |
| 16 |
Correct |
4 ms |
344 KB |
Output is correct |
| 17 |
Correct |
5 ms |
344 KB |
Output is correct |
| 18 |
Correct |
7 ms |
344 KB |
Output is correct |
| 19 |
Correct |
3 ms |
344 KB |
Output is correct |
| 20 |
Correct |
2 ms |
344 KB |
Output is correct |
| 21 |
Correct |
1 ms |
344 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 |
1 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 |
3 ms |
344 KB |
Output is correct |
| 7 |
Correct |
2 ms |
344 KB |
Output is correct |
| 8 |
Correct |
3 ms |
344 KB |
Output is correct |
| 9 |
Correct |
7 ms |
344 KB |
Output is correct |
| 10 |
Correct |
12 ms |
344 KB |
Output is correct |
| 11 |
Correct |
1 ms |
344 KB |
Output is correct |
| 12 |
Correct |
8 ms |
344 KB |
Output is correct |
| 13 |
Correct |
4 ms |
344 KB |
Output is correct |
| 14 |
Correct |
4 ms |
344 KB |
Output is correct |
| 15 |
Correct |
3 ms |
344 KB |
Output is correct |
| 16 |
Correct |
4 ms |
344 KB |
Output is correct |
| 17 |
Correct |
5 ms |
344 KB |
Output is correct |
| 18 |
Correct |
7 ms |
344 KB |
Output is correct |
| 19 |
Correct |
3 ms |
344 KB |
Output is correct |
| 20 |
Correct |
2 ms |
344 KB |
Output is correct |
| 21 |
Correct |
1 ms |
344 KB |
Output is correct |
| 22 |
Correct |
1 ms |
344 KB |
Output is correct |
| 23 |
Correct |
15 ms |
344 KB |
Output is correct |
| 24 |
Correct |
7 ms |
344 KB |
Output is correct |
| 25 |
Correct |
16 ms |
344 KB |
Output is correct |
| 26 |
Correct |
14 ms |
344 KB |
Output is correct |
| 27 |
Correct |
61 ms |
344 KB |
Output is correct |
| 28 |
Correct |
10 ms |
344 KB |
Output is correct |
| 29 |
Correct |
37 ms |
344 KB |
Output is correct |
| 30 |
Correct |
32 ms |
344 KB |
Output is correct |
| 31 |
Correct |
15 ms |
344 KB |
Output is correct |
| 32 |
Correct |
21 ms |
344 KB |
Output is correct |
| 33 |
Correct |
11 ms |
344 KB |
Output is correct |
| 34 |
Correct |
25 ms |
344 KB |
Output is correct |
| 35 |
Correct |
11 ms |
344 KB |
Output is correct |
| 36 |
Correct |
17 ms |
344 KB |
Output is correct |
| 37 |
Correct |
15 ms |
344 KB |
Output is correct |
| 38 |
Correct |
23 ms |
344 KB |
Output is correct |
| 39 |
Correct |
18 ms |
596 KB |
Output is correct |
| 40 |
Correct |
5 ms |
344 KB |
Output is correct |
| 41 |
Correct |
6 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 |
1 ms |
344 KB |
Output is correct |
| 4 |
Correct |
0 ms |
356 KB |
Output is correct |
| 5 |
Correct |
0 ms |
344 KB |
Output is correct |
| 6 |
Correct |
0 ms |
344 KB |
Output is correct |
| 7 |
Correct |
29 ms |
344 KB |
Output is correct |
| 8 |
Correct |
13 ms |
344 KB |
Output is correct |
| 9 |
Correct |
37 ms |
344 KB |
Output is correct |
| 10 |
Partially correct |
39 ms |
344 KB |
Output is partially correct |
| 11 |
Partially correct |
129 ms |
344 KB |
Output is partially correct |
| 12 |
Correct |
11 ms |
344 KB |
Output is correct |
| 13 |
Partially correct |
113 ms |
344 KB |
Output is partially correct |
| 14 |
Partially correct |
86 ms |
344 KB |
Output is partially correct |
| 15 |
Partially correct |
31 ms |
344 KB |
Output is partially correct |
| 16 |
Partially correct |
38 ms |
344 KB |
Output is partially correct |
| 17 |
Partially correct |
31 ms |
340 KB |
Output is partially correct |
| 18 |
Partially correct |
35 ms |
344 KB |
Output is partially correct |
| 19 |
Partially correct |
39 ms |
344 KB |
Output is partially correct |
| 20 |
Partially correct |
39 ms |
344 KB |
Output is partially correct |
| 21 |
Partially correct |
36 ms |
344 KB |
Output is partially correct |
| 22 |
Partially correct |
68 ms |
344 KB |
Output is partially correct |
| 23 |
Partially correct |
41 ms |
344 KB |
Output is partially correct |
| 24 |
Correct |
23 ms |
344 KB |
Output is correct |
| 25 |
Correct |
13 ms |
344 KB |
Output is correct |
| 26 |
Correct |
10 ms |
340 KB |
Output is correct |
| 27 |
Correct |
25 ms |
344 KB |
Output is correct |
| 28 |
Correct |
30 ms |
344 KB |
Output is correct |
| 29 |
Partially correct |
30 ms |
344 KB |
Output is partially correct |
| 30 |
Partially correct |
32 ms |
344 KB |
Output is partially correct |
| 31 |
Partially correct |
52 ms |
344 KB |
Output is partially correct |
| 32 |
Partially correct |
57 ms |
344 KB |
Output is partially correct |
| 33 |
Partially correct |
58 ms |
340 KB |
Output is partially correct |
| 34 |
Partially correct |
52 ms |
344 KB |
Output is partially correct |
| 35 |
Partially correct |
35 ms |
344 KB |
Output is partially correct |
| 36 |
Partially correct |
32 ms |
344 KB |
Output is partially correct |
| 37 |
Partially correct |
45 ms |
344 KB |
Output is partially correct |
| 38 |
Partially correct |
40 ms |
344 KB |
Output is partially correct |
| 39 |
Correct |
39 ms |
344 KB |
Output is correct |
| 40 |
Correct |
28 ms |
344 KB |
Output is correct |
| 41 |
Partially correct |
39 ms |
344 KB |
Output is partially correct |
| 42 |
Partially correct |
38 ms |
344 KB |
Output is partially correct |
| 43 |
Partially correct |
15 ms |
344 KB |
Output is partially correct |
| 44 |
Partially correct |
116 ms |
344 KB |
Output is partially correct |
| 45 |
Correct |
33 ms |
344 KB |
Output is correct |
| 46 |
Correct |
13 ms |
344 KB |
Output is correct |
| 47 |
Correct |
12 ms |
344 KB |
Output is correct |
| 48 |
Correct |
22 ms |
344 KB |
Output is correct |
