#include "insects.h"
#include<bits/stdc++.h>
using namespace std;
const int maxn=2010;
int n;
int tren[maxn];
int perm[maxn];
int klk[maxn];
int unutra=0;
int korak=1;
int raz;
bool nemoj[maxn];
bool stabrekojikurac[maxn];
void ubaci(int i){
if(tren[i]!=0) return;
tren[i]=korak;
move_inside(perm[i]);
unutra++;
}
void izbaci(int i){
if(tren[i]==0) return;
tren[i]=0;
move_outside(perm[i]);
unutra--;
}
int pitaj(){
return press_button();
}
int nadji(){
for(int i=0;i<n;i++){
ubaci(i);
if(pitaj()>1){
izbaci(i);
}
}
return unutra;
}
mt19937 rng(23479);
bool probaj(int gran,int sled){ // da li je >=
korak++;
for(int i=0;i<n;i++){
if(unutra==raz*gran) {
for(int i=0;i<n;i++) stabrekojikurac[i]=false;
return true;
}
if(tren[i]!=0) continue;
if(nemoj[i]) continue;
ubaci(i);
if((klk[i]=pitaj())>gran){
izbaci(i);
stabrekojikurac[i]=true;
}
}
if(unutra==raz*gran) {
for(int i=0;i<n;i++) stabrekojikurac[i]=false;
return true;
}
for(int i=0;i<n;i++) if(stabrekojikurac[i]) {nemoj[i]=true; stabrekojikurac[i]=false;}
for(int i=0;i<n;i++) if(tren[i]==korak && klk[i]>sled) izbaci(i);
korak--;
return false;
}
int min_cardinality(int _n){
n=_n;
for(int i=0;i<n;i++) perm[i]=i;
shuffle(perm,perm+n,rng);
raz=nadji();
int l=1,r=n/raz;
int res=-1;
while(l<=r){
int mid=l+(r-l)/2;
int sled=l+(mid-1-l)/2;
if(probaj(mid,sled)){
res=mid;
l=mid+1;
}else r=mid-1;
}
return res;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
208 KB |
Output is correct |
| 2 |
Correct |
1 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 |
4 ms |
208 KB |
Output is correct |
| 7 |
Correct |
2 ms |
208 KB |
Output is correct |
| 8 |
Correct |
4 ms |
208 KB |
Output is correct |
| 9 |
Correct |
4 ms |
208 KB |
Output is correct |
| 10 |
Correct |
4 ms |
208 KB |
Output is correct |
| 11 |
Correct |
2 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 |
5 ms |
208 KB |
Output is correct |
| 15 |
Correct |
4 ms |
208 KB |
Output is correct |
| 16 |
Correct |
6 ms |
208 KB |
Output is correct |
| 17 |
Correct |
3 ms |
208 KB |
Output is correct |
| 18 |
Correct |
3 ms |
260 KB |
Output is correct |
| 19 |
Correct |
5 ms |
208 KB |
Output is correct |
| 20 |
Correct |
3 ms |
208 KB |
Output is correct |
| 21 |
Correct |
3 ms |
208 KB |
Output is correct |
| 22 |
Correct |
2 ms |
208 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
208 KB |
Output is correct |
| 2 |
Correct |
1 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 |
4 ms |
208 KB |
Output is correct |
| 7 |
Correct |
2 ms |
208 KB |
Output is correct |
| 8 |
Correct |
4 ms |
208 KB |
Output is correct |
| 9 |
Correct |
4 ms |
208 KB |
Output is correct |
| 10 |
Correct |
4 ms |
208 KB |
Output is correct |
| 11 |
Correct |
2 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 |
5 ms |
208 KB |
Output is correct |
| 15 |
Correct |
4 ms |
208 KB |
Output is correct |
| 16 |
Correct |
6 ms |
208 KB |
Output is correct |
| 17 |
Correct |
3 ms |
208 KB |
Output is correct |
| 18 |
Correct |
3 ms |
260 KB |
Output is correct |
| 19 |
Correct |
5 ms |
208 KB |
Output is correct |
| 20 |
Correct |
3 ms |
208 KB |
Output is correct |
| 21 |
Correct |
3 ms |
208 KB |
Output is correct |
| 22 |
Correct |
2 ms |
208 KB |
Output is correct |
| 23 |
Correct |
18 ms |
316 KB |
Output is correct |
| 24 |
Correct |
9 ms |
208 KB |
Output is correct |
| 25 |
Correct |
17 ms |
208 KB |
Output is correct |
| 26 |
Correct |
23 ms |
324 KB |
Output is correct |
| 27 |
Correct |
15 ms |
320 KB |
Output is correct |
| 28 |
Correct |
7 ms |
208 KB |
Output is correct |
| 29 |
Correct |
17 ms |
320 KB |
Output is correct |
| 30 |
Correct |
17 ms |
324 KB |
Output is correct |
| 31 |
Correct |
20 ms |
316 KB |
Output is correct |
| 32 |
Correct |
25 ms |
320 KB |
Output is correct |
| 33 |
Correct |
16 ms |
336 KB |
Output is correct |
| 34 |
Correct |
18 ms |
208 KB |
Output is correct |
| 35 |
Correct |
18 ms |
320 KB |
Output is correct |
| 36 |
Correct |
23 ms |
208 KB |
Output is correct |
| 37 |
Correct |
14 ms |
208 KB |
Output is correct |
| 38 |
Correct |
26 ms |
304 KB |
Output is correct |
| 39 |
Correct |
17 ms |
328 KB |
Output is correct |
| 40 |
Correct |
10 ms |
324 KB |
Output is correct |
| 41 |
Correct |
7 ms |
328 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
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 |
1 ms |
208 KB |
Output is correct |
| 6 |
Correct |
1 ms |
208 KB |
Output is correct |
| 7 |
Correct |
35 ms |
320 KB |
Output is correct |
| 8 |
Correct |
7 ms |
208 KB |
Output is correct |
| 9 |
Correct |
41 ms |
324 KB |
Output is correct |
| 10 |
Correct |
43 ms |
324 KB |
Output is correct |
| 11 |
Correct |
36 ms |
324 KB |
Output is correct |
| 12 |
Correct |
22 ms |
208 KB |
Output is correct |
| 13 |
Correct |
38 ms |
320 KB |
Output is correct |
| 14 |
Correct |
39 ms |
324 KB |
Output is correct |
| 15 |
Correct |
32 ms |
320 KB |
Output is correct |
| 16 |
Correct |
38 ms |
208 KB |
Output is correct |
| 17 |
Correct |
41 ms |
208 KB |
Output is correct |
| 18 |
Correct |
38 ms |
324 KB |
Output is correct |
| 19 |
Correct |
41 ms |
308 KB |
Output is correct |
| 20 |
Correct |
41 ms |
308 KB |
Output is correct |
| 21 |
Correct |
41 ms |
208 KB |
Output is correct |
| 22 |
Correct |
24 ms |
320 KB |
Output is correct |
| 23 |
Correct |
17 ms |
312 KB |
Output is correct |
| 24 |
Correct |
28 ms |
208 KB |
Output is correct |
| 25 |
Correct |
19 ms |
208 KB |
Output is correct |
| 26 |
Correct |
15 ms |
208 KB |
Output is correct |
| 27 |
Correct |
37 ms |
208 KB |
Output is correct |
| 28 |
Correct |
33 ms |
308 KB |
Output is correct |
| 29 |
Correct |
39 ms |
208 KB |
Output is correct |
| 30 |
Correct |
30 ms |
308 KB |
Output is correct |
| 31 |
Correct |
21 ms |
320 KB |
Output is correct |
| 32 |
Correct |
37 ms |
308 KB |
Output is correct |
| 33 |
Correct |
39 ms |
304 KB |
Output is correct |
| 34 |
Correct |
32 ms |
208 KB |
Output is correct |
| 35 |
Correct |
49 ms |
328 KB |
Output is correct |
| 36 |
Correct |
41 ms |
328 KB |
Output is correct |
| 37 |
Correct |
43 ms |
320 KB |
Output is correct |
| 38 |
Correct |
38 ms |
328 KB |
Output is correct |
| 39 |
Correct |
41 ms |
328 KB |
Output is correct |
| 40 |
Correct |
40 ms |
324 KB |
Output is correct |
| 41 |
Correct |
42 ms |
320 KB |
Output is correct |
| 42 |
Correct |
42 ms |
208 KB |
Output is correct |
| 43 |
Correct |
9 ms |
328 KB |
Output is correct |
| 44 |
Correct |
25 ms |
308 KB |
Output is correct |
| 45 |
Correct |
36 ms |
320 KB |
Output is correct |
| 46 |
Correct |
20 ms |
208 KB |
Output is correct |
| 47 |
Correct |
17 ms |
208 KB |
Output is correct |
| 48 |
Correct |
18 ms |
324 KB |
Output is correct |
