#include <bits/stdc++.h>
using namespace std;
#define ld long double
#define mp make_pair
#define pb push_back
#define pii pair<int,int>
#define fi first
#define se second
/*草，以后一定要拿金牌啊!!! 注意数值范围拿分数哦*/
#include "insects.h"
vector<int> a;
int tot,cnt,n;
void add(int x){tot++; move_inside(x);}
void del(int x){tot--; move_outside(x);}
int ask(){ return press_button();}
/* a[i]=-2 temp added, a[i]=-1 temp over, a[i]=0 over, a[i]=1 first meet, a[i]=2 repeat*/
bool check(int x){
int sz=cnt;
for(int i=0;i<n;i++){
if(a[i]==1 || a[i]==0) continue;
add(i); sz++; a[i]=-2;
if(ask()>x){del(i); a[i]=-1;sz--;}
}
if(cnt*x==sz){//答案可以接受需要rollback所有操作
for(int i=0;i<n;i++){
if(a[i]==-2){ del(i); a[i]=2;}
if(a[i]==-1){ a[i]=2;}
}
return true;
}
else{
for(int i=0;i<n;i++){
if(a[i]==-2){ del(i); a[i]=2;}
if(a[i]==-1) a[i]=0;
}
return false;
}
}
int min_cardinality(int N) {
n=N;
a.assign(n,2);
for(int i=0;i<n;i++){ add(i); if(ask()>1) del(i); else a[i]=1,cnt++;}
int l=1,r=n/cnt,res=n+1;
while(l<=r){
int mid=(l+r)>>1;
if(check(mid)){ res=mid; l=mid+1;}
else r=mid-1;
}
return res;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
208 KB |
Output is correct |
| 2 |
Correct |
0 ms |
248 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 |
7 ms |
208 KB |
Output is correct |
| 7 |
Correct |
2 ms |
208 KB |
Output is correct |
| 8 |
Correct |
8 ms |
208 KB |
Output is correct |
| 9 |
Correct |
7 ms |
208 KB |
Output is correct |
| 10 |
Correct |
4 ms |
208 KB |
Output is correct |
| 11 |
Correct |
3 ms |
208 KB |
Output is correct |
| 12 |
Correct |
5 ms |
208 KB |
Output is correct |
| 13 |
Correct |
4 ms |
208 KB |
Output is correct |
| 14 |
Correct |
9 ms |
208 KB |
Output is correct |
| 15 |
Correct |
13 ms |
208 KB |
Output is correct |
| 16 |
Correct |
7 ms |
208 KB |
Output is correct |
| 17 |
Correct |
6 ms |
208 KB |
Output is correct |
| 18 |
Correct |
6 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 |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
208 KB |
Output is correct |
| 2 |
Correct |
0 ms |
248 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 |
7 ms |
208 KB |
Output is correct |
| 7 |
Correct |
2 ms |
208 KB |
Output is correct |
| 8 |
Correct |
8 ms |
208 KB |
Output is correct |
| 9 |
Correct |
7 ms |
208 KB |
Output is correct |
| 10 |
Correct |
4 ms |
208 KB |
Output is correct |
| 11 |
Correct |
3 ms |
208 KB |
Output is correct |
| 12 |
Correct |
5 ms |
208 KB |
Output is correct |
| 13 |
Correct |
4 ms |
208 KB |
Output is correct |
| 14 |
Correct |
9 ms |
208 KB |
Output is correct |
| 15 |
Correct |
13 ms |
208 KB |
Output is correct |
| 16 |
Correct |
7 ms |
208 KB |
Output is correct |
| 17 |
Correct |
6 ms |
208 KB |
Output is correct |
| 18 |
Correct |
6 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 |
101 ms |
208 KB |
Output is correct |
| 24 |
Correct |
7 ms |
208 KB |
Output is correct |
| 25 |
Correct |
25 ms |
280 KB |
Output is correct |
| 26 |
Correct |
30 ms |
208 KB |
Output is correct |
| 27 |
Correct |
21 ms |
208 KB |
Output is correct |
| 28 |
Correct |
12 ms |
208 KB |
Output is correct |
| 29 |
Correct |
15 ms |
208 KB |
Output is correct |
| 30 |
Correct |
16 ms |
208 KB |
Output is correct |
| 31 |
Correct |
54 ms |
208 KB |
Output is correct |
| 32 |
Correct |
55 ms |
208 KB |
Output is correct |
| 33 |
Correct |
48 ms |
208 KB |
Output is correct |
| 34 |
Correct |
64 ms |
208 KB |
Output is correct |
| 35 |
Correct |
40 ms |
332 KB |
Output is correct |
| 36 |
Correct |
36 ms |
208 KB |
Output is correct |
| 37 |
Correct |
34 ms |
208 KB |
Output is correct |
| 38 |
Correct |
31 ms |
208 KB |
Output is correct |
| 39 |
Correct |
21 ms |
208 KB |
Output is correct |
| 40 |
Correct |
15 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 |
Partially correct |
1 ms |
208 KB |
Output is partially correct |
| 7 |
Partially correct |
194 ms |
284 KB |
Output is partially correct |
| 8 |
Correct |
19 ms |
208 KB |
Output is correct |
| 9 |
Partially correct |
85 ms |
288 KB |
Output is partially correct |
| 10 |
Partially correct |
86 ms |
208 KB |
Output is partially correct |
| 11 |
Correct |
32 ms |
208 KB |
Output is correct |
| 12 |
Correct |
28 ms |
208 KB |
Output is correct |
| 13 |
Correct |
36 ms |
208 KB |
Output is correct |
| 14 |
Correct |
37 ms |
208 KB |
Output is correct |
| 15 |
Partially correct |
104 ms |
288 KB |
Output is partially correct |
| 16 |
Partially correct |
150 ms |
404 KB |
Output is partially correct |
| 17 |
Partially correct |
143 ms |
288 KB |
Output is partially correct |
| 18 |
Partially correct |
93 ms |
288 KB |
Output is partially correct |
| 19 |
Partially correct |
95 ms |
288 KB |
Output is partially correct |
| 20 |
Partially correct |
118 ms |
408 KB |
Output is partially correct |
| 21 |
Partially correct |
35 ms |
288 KB |
Output is partially correct |
| 22 |
Partially correct |
54 ms |
284 KB |
Output is partially correct |
| 23 |
Correct |
34 ms |
208 KB |
Output is correct |
| 24 |
Correct |
36 ms |
208 KB |
Output is correct |
| 25 |
Correct |
26 ms |
208 KB |
Output is correct |
| 26 |
Correct |
17 ms |
208 KB |
Output is correct |
| 27 |
Partially correct |
85 ms |
284 KB |
Output is partially correct |
| 28 |
Partially correct |
83 ms |
288 KB |
Output is partially correct |
| 29 |
Partially correct |
118 ms |
292 KB |
Output is partially correct |
| 30 |
Partially correct |
115 ms |
288 KB |
Output is partially correct |
| 31 |
Partially correct |
57 ms |
288 KB |
Output is partially correct |
| 32 |
Partially correct |
78 ms |
288 KB |
Output is partially correct |
| 33 |
Correct |
33 ms |
208 KB |
Output is correct |
| 34 |
Correct |
49 ms |
208 KB |
Output is correct |
| 35 |
Partially correct |
92 ms |
284 KB |
Output is partially correct |
| 36 |
Partially correct |
130 ms |
284 KB |
Output is partially correct |
| 37 |
Partially correct |
54 ms |
288 KB |
Output is partially correct |
| 38 |
Partially correct |
56 ms |
404 KB |
Output is partially correct |
| 39 |
Partially correct |
92 ms |
288 KB |
Output is partially correct |
| 40 |
Partially correct |
90 ms |
288 KB |
Output is partially correct |
| 41 |
Partially correct |
100 ms |
524 KB |
Output is partially correct |
| 42 |
Partially correct |
84 ms |
292 KB |
Output is partially correct |
| 43 |
Correct |
8 ms |
208 KB |
Output is correct |
| 44 |
Correct |
26 ms |
208 KB |
Output is correct |
| 45 |
Partially correct |
188 ms |
288 KB |
Output is partially correct |
| 46 |
Correct |
26 ms |
208 KB |
Output is correct |
| 47 |
Correct |
23 ms |
208 KB |
Output is correct |
| 48 |
Correct |
24 ms |
208 KB |
Output is correct |
