#include "insects.h"
#include "bits/stdc++.h"
#define SZ(s) ((int) s.size())
using namespace std;
/* sub1
// Sub 1 {{{
int min_cardinality(int n) {
std::vector<int> v_ids(n);
std::iota(v_ids.begin(), v_ids.end(), 0);
std::set<int> ids(v_ids.begin(), v_ids.end());
int freq = 0, last_cnt = 0;
while (true) {
++freq;
std::set<int> new_ids;
for (int id : ids) {
move_inside(id);
if (press_button() > freq) {
move_outside(id);
new_ids.insert(id);
}
}
int unique_values = SZ(ids) - SZ(new_ids);
if (unique_values < last_cnt) {
return freq - 1;
}
last_cnt = unique_values;
if (unique_values > SZ(new_ids)) {
return freq;
}
ids = std::move(new_ids);
}
return 0;
}
// }}}
*/
int get_max_freq(int n) {
for (int i = 0; i < n; ++i) {
move_inside(i);
}
int res = press_button();
for (int i = 0; i < n; ++i) {
move_outside(i);
}
return res;
}
int cnt_unique(int n) {
int res = n;
std::set<int> ids;
for (int i = 0; i < n; ++i) {
move_inside(i);
ids.insert(i);
if (press_button() == 2) {
--res;
move_outside(i);
ids.erase(i);
}
}
for (int id : ids) move_outside(id);
return res;
}
int min_cardinality(int n) {
int l = 2, r = get_max_freq(n), res = 1;
int unique_vals = cnt_unique(n);
while (l <= r) {
int mid = (l + r) / 2;
std::set<int> ids;
for (int i = 0; i < n; ++i) {
move_inside(i);
ids.insert(i);
if (press_button() > mid) {
move_outside(i);
ids.erase(i);
}
}
int total = SZ(ids);
for (int id : ids) move_outside(id);
std::cout << mid << " -> " << total << std::endl;
if (total >= unique_vals * mid) {
// all values have at least frequency = mid
res = mid;
l = mid + 1;
} else {
r = mid - 1;
}
}
return res;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
208 KB |
Secret mismatch (possible tampering with the output) |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
208 KB |
Secret mismatch (possible tampering with the output) |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
208 KB |
Secret mismatch (possible tampering with the output) |
2 |
Halted |
0 ms |
0 KB |
- |