#include "insects.h"
//GRT_2018
#include <bits/stdc++.h>
#define PB push_back
#define ST first
#define ND second
//mt19937 rng(chrono::high_resolution_clock::now().time_since_epoch().count());
using namespace std;
using ll = long long;
using pi = pair<int,int>;
using vi = vector<int>;
const int nax = 2010;
bool discarded[nax];
mt19937 rng(104910);
int k, ans;
int baseLength(vi &v) {
vi taken = {};
shuffle(v.begin(), v.end(), rng);
for(int x : v) {
move_inside(x);
taken.PB(x);
int w = press_button();
if(w >= 2) {
move_outside(x);
taken.pop_back();
}
}
for(int x : taken) {
move_outside(x);
discarded[x] = true;
}
return (int)taken.size();
}
bool mark[nax];
void elimination(vi &v, int lim) {
for(int x : v) mark[x] = false;
vi taken = {};
shuffle(v.begin(), v.end(), rng);
for(int x : v) {
move_inside(x);
taken.PB(x);
if(press_button() > lim) {
move_outside(x);
taken.pop_back();
}
if((int)taken.size() == k * lim) {
break;
}
}
for(int x : taken) {
move_outside(x);
mark[x] = true;
}
if((int)taken.size() == k * lim) {
for(int x : taken) {
discarded[x] = true;
}
ans += lim;
} else {
for(int x : v) {
if(!mark[x]) discarded[x] = true;
}
}
}
int min_cardinality(int n) {
vi allowed = {};
for(int i = 0; i < n; ++i) {
allowed.PB(i);
}
k = n;
k = baseLength(allowed);
ans = 1;
while(true) {
allowed = {};
for(int i = 0; i < n; ++i) {
if(!discarded[i]) {
allowed.PB(i);
}
}
if(k > (int)allowed.size()) {
return ans;
}
int B = (int)allowed.size() / k;
B /= 2;
B = max(B, 1);
elimination(allowed, B);
}
return -1;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
208 KB |
Output is correct |
| 2 |
Correct |
1 ms |
208 KB |
Output is correct |
| 3 |
Correct |
1 ms |
208 KB |
Output is correct |
| 4 |
Correct |
1 ms |
208 KB |
Output is correct |
| 5 |
Correct |
1 ms |
208 KB |
Output is correct |
| 6 |
Correct |
3 ms |
208 KB |
Output is correct |
| 7 |
Correct |
3 ms |
208 KB |
Output is correct |
| 8 |
Correct |
6 ms |
208 KB |
Output is correct |
| 9 |
Correct |
7 ms |
208 KB |
Output is correct |
| 10 |
Correct |
8 ms |
208 KB |
Output is correct |
| 11 |
Correct |
4 ms |
208 KB |
Output is correct |
| 12 |
Correct |
6 ms |
208 KB |
Output is correct |
| 13 |
Correct |
5 ms |
208 KB |
Output is correct |
| 14 |
Correct |
4 ms |
208 KB |
Output is correct |
| 15 |
Correct |
6 ms |
208 KB |
Output is correct |
| 16 |
Correct |
5 ms |
208 KB |
Output is correct |
| 17 |
Correct |
6 ms |
208 KB |
Output is correct |
| 18 |
Correct |
5 ms |
208 KB |
Output is correct |
| 19 |
Correct |
4 ms |
208 KB |
Output is correct |
| 20 |
Correct |
6 ms |
208 KB |
Output is correct |
| 21 |
Correct |
3 ms |
208 KB |
Output is correct |
| 22 |
Correct |
3 ms |
208 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
208 KB |
Output is correct |
| 2 |
Correct |
1 ms |
208 KB |
Output is correct |
| 3 |
Correct |
1 ms |
208 KB |
Output is correct |
| 4 |
Correct |
1 ms |
208 KB |
Output is correct |
| 5 |
Correct |
1 ms |
208 KB |
Output is correct |
| 6 |
Correct |
3 ms |
208 KB |
Output is correct |
| 7 |
Correct |
3 ms |
208 KB |
Output is correct |
| 8 |
Correct |
6 ms |
208 KB |
Output is correct |
| 9 |
Correct |
7 ms |
208 KB |
Output is correct |
| 10 |
Correct |
8 ms |
208 KB |
Output is correct |
| 11 |
Correct |
4 ms |
208 KB |
Output is correct |
| 12 |
Correct |
6 ms |
208 KB |
Output is correct |
| 13 |
Correct |
5 ms |
208 KB |
Output is correct |
| 14 |
Correct |
4 ms |
208 KB |
Output is correct |
| 15 |
Correct |
6 ms |
208 KB |
Output is correct |
| 16 |
Correct |
5 ms |
208 KB |
Output is correct |
| 17 |
Correct |
6 ms |
208 KB |
Output is correct |
| 18 |
Correct |
5 ms |
208 KB |
Output is correct |
| 19 |
Correct |
4 ms |
208 KB |
Output is correct |
| 20 |
Correct |
6 ms |
208 KB |
Output is correct |
| 21 |
Correct |
3 ms |
208 KB |
Output is correct |
| 22 |
Correct |
3 ms |
208 KB |
Output is correct |
| 23 |
Correct |
19 ms |
208 KB |
Output is correct |
| 24 |
Correct |
8 ms |
208 KB |
Output is correct |
| 25 |
Correct |
29 ms |
208 KB |
Output is correct |
| 26 |
Correct |
26 ms |
208 KB |
Output is correct |
| 27 |
Correct |
17 ms |
208 KB |
Output is correct |
| 28 |
Correct |
10 ms |
208 KB |
Output is correct |
| 29 |
Correct |
21 ms |
208 KB |
Output is correct |
| 30 |
Correct |
12 ms |
208 KB |
Output is correct |
| 31 |
Correct |
25 ms |
208 KB |
Output is correct |
| 32 |
Correct |
25 ms |
208 KB |
Output is correct |
| 33 |
Correct |
24 ms |
208 KB |
Output is correct |
| 34 |
Correct |
20 ms |
208 KB |
Output is correct |
| 35 |
Correct |
19 ms |
208 KB |
Output is correct |
| 36 |
Correct |
11 ms |
208 KB |
Output is correct |
| 37 |
Correct |
36 ms |
208 KB |
Output is correct |
| 38 |
Correct |
28 ms |
208 KB |
Output is correct |
| 39 |
Correct |
26 ms |
208 KB |
Output is correct |
| 40 |
Correct |
17 ms |
208 KB |
Output is correct |
| 41 |
Correct |
11 ms |
208 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 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 |
1 ms |
208 KB |
Output is correct |
| 6 |
Correct |
1 ms |
208 KB |
Output is correct |
| 7 |
Correct |
49 ms |
300 KB |
Output is correct |
| 8 |
Correct |
20 ms |
320 KB |
Output is correct |
| 9 |
Correct |
54 ms |
304 KB |
Output is correct |
| 10 |
Correct |
51 ms |
208 KB |
Output is correct |
| 11 |
Correct |
24 ms |
300 KB |
Output is correct |
| 12 |
Correct |
28 ms |
208 KB |
Output is correct |
| 13 |
Correct |
47 ms |
208 KB |
Output is correct |
| 14 |
Correct |
50 ms |
300 KB |
Output is correct |
| 15 |
Correct |
35 ms |
208 KB |
Output is correct |
| 16 |
Correct |
47 ms |
296 KB |
Output is correct |
| 17 |
Correct |
48 ms |
428 KB |
Output is correct |
| 18 |
Correct |
34 ms |
208 KB |
Output is correct |
| 19 |
Correct |
46 ms |
332 KB |
Output is correct |
| 20 |
Correct |
39 ms |
300 KB |
Output is correct |
| 21 |
Correct |
31 ms |
300 KB |
Output is correct |
| 22 |
Correct |
49 ms |
300 KB |
Output is correct |
| 23 |
Correct |
46 ms |
308 KB |
Output is correct |
| 24 |
Correct |
32 ms |
208 KB |
Output is correct |
| 25 |
Correct |
27 ms |
208 KB |
Output is correct |
| 26 |
Correct |
19 ms |
316 KB |
Output is correct |
| 27 |
Correct |
46 ms |
296 KB |
Output is correct |
| 28 |
Correct |
45 ms |
208 KB |
Output is correct |
| 29 |
Correct |
21 ms |
304 KB |
Output is correct |
| 30 |
Correct |
28 ms |
300 KB |
Output is correct |
| 31 |
Correct |
61 ms |
300 KB |
Output is correct |
| 32 |
Correct |
58 ms |
296 KB |
Output is correct |
| 33 |
Correct |
45 ms |
208 KB |
Output is correct |
| 34 |
Correct |
43 ms |
208 KB |
Output is correct |
| 35 |
Correct |
45 ms |
300 KB |
Output is correct |
| 36 |
Correct |
47 ms |
300 KB |
Output is correct |
| 37 |
Correct |
55 ms |
208 KB |
Output is correct |
| 38 |
Correct |
43 ms |
304 KB |
Output is correct |
| 39 |
Correct |
48 ms |
296 KB |
Output is correct |
| 40 |
Correct |
51 ms |
208 KB |
Output is correct |
| 41 |
Correct |
42 ms |
208 KB |
Output is correct |
| 42 |
Correct |
37 ms |
424 KB |
Output is correct |
| 43 |
Correct |
15 ms |
208 KB |
Output is correct |
| 44 |
Correct |
35 ms |
208 KB |
Output is correct |
| 45 |
Correct |
32 ms |
208 KB |
Output is correct |
| 46 |
Correct |
34 ms |
304 KB |
Output is correct |
| 47 |
Correct |
24 ms |
324 KB |
Output is correct |
| 48 |
Correct |
25 ms |
304 KB |
Output is correct |
