| # | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 627486 | 2022-08-12T15:34:00 Z | I_love_Hoang_Yen | Rarest Insects (IOI22_insects) | C++17 | 245 ms | 604 KB |
#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);
if (total >= unique_vals * mid) {
// all values have at least frequency = 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 | 1 ms | 208 KB | Output is correct |
| 3 | Correct | 0 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 | 23 ms | 208 KB | Output is correct |
| 7 | Correct | 2 ms | 208 KB | Output is correct |
| 8 | Correct | 11 ms | 300 KB | Output is correct |
| 9 | Correct | 5 ms | 252 KB | Output is correct |
| 10 | Correct | 24 ms | 208 KB | Output is correct |
| 11 | Correct | 9 ms | 356 KB | Output is correct |
| 12 | Correct | 7 ms | 344 KB | Output is correct |
| 13 | Correct | 11 ms | 296 KB | Output is correct |
| 14 | Correct | 16 ms | 296 KB | Output is correct |
| 15 | Correct | 10 ms | 304 KB | Output is correct |
| 16 | Correct | 14 ms | 208 KB | Output is correct |
| 17 | Correct | 10 ms | 296 KB | Output is correct |
| 18 | Correct | 13 ms | 296 KB | Output is correct |
| 19 | Correct | 15 ms | 424 KB | Output is correct |
| 20 | Correct | 11 ms | 300 KB | Output is correct |
| 21 | Correct | 8 ms | 296 KB | Output is correct |
| 22 | Correct | 7 ms | 208 KB | Output is correct |
| # | Verdict | Execution time | Memory | 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 | 1 ms | 208 KB | Output is correct |
| 5 | Correct | 1 ms | 208 KB | Output is correct |
| 6 | Correct | 23 ms | 208 KB | Output is correct |
| 7 | Correct | 2 ms | 208 KB | Output is correct |
| 8 | Correct | 11 ms | 300 KB | Output is correct |
| 9 | Correct | 5 ms | 252 KB | Output is correct |
| 10 | Correct | 24 ms | 208 KB | Output is correct |
| 11 | Correct | 9 ms | 356 KB | Output is correct |
| 12 | Correct | 7 ms | 344 KB | Output is correct |
| 13 | Correct | 11 ms | 296 KB | Output is correct |
| 14 | Correct | 16 ms | 296 KB | Output is correct |
| 15 | Correct | 10 ms | 304 KB | Output is correct |
| 16 | Correct | 14 ms | 208 KB | Output is correct |
| 17 | Correct | 10 ms | 296 KB | Output is correct |
| 18 | Correct | 13 ms | 296 KB | Output is correct |
| 19 | Correct | 15 ms | 424 KB | Output is correct |
| 20 | Correct | 11 ms | 300 KB | Output is correct |
| 21 | Correct | 8 ms | 296 KB | Output is correct |
| 22 | Correct | 7 ms | 208 KB | Output is correct |
| 23 | Correct | 117 ms | 304 KB | Output is correct |
| 24 | Correct | 11 ms | 332 KB | Output is correct |
| 25 | Correct | 77 ms | 312 KB | Output is correct |
| 26 | Correct | 68 ms | 308 KB | Output is correct |
| 27 | Correct | 105 ms | 236 KB | Output is correct |
| 28 | Correct | 55 ms | 340 KB | Output is correct |
| 29 | Correct | 89 ms | 300 KB | Output is correct |
| 30 | Correct | 57 ms | 280 KB | Output is correct |
| 31 | Correct | 84 ms | 436 KB | Output is correct |
| 32 | Correct | 43 ms | 328 KB | Output is correct |
| 33 | Correct | 43 ms | 400 KB | Output is correct |
| 34 | Correct | 83 ms | 292 KB | Output is correct |
| 35 | Correct | 64 ms | 324 KB | Output is correct |
| 36 | Correct | 35 ms | 288 KB | Output is correct |
| 37 | Correct | 58 ms | 344 KB | Output is correct |
| 38 | Correct | 59 ms | 296 KB | Output is correct |
| 39 | Correct | 19 ms | 304 KB | Output is correct |
| 40 | Correct | 14 ms | 324 KB | Output is correct |
| 41 | Correct | 25 ms | 304 KB | Output is correct |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 1 ms | 208 KB | Output is correct |
| 2 | Correct | 1 ms | 256 KB | Output is correct |
| 3 | Correct | 1 ms | 208 KB | Output is correct |
| 4 | Correct | 1 ms | 208 KB | Output is correct |
| 5 | Partially correct | 1 ms | 208 KB | Output is partially correct |
| 6 | Partially correct | 1 ms | 208 KB | Output is partially correct |
| 7 | Partially correct | 224 ms | 376 KB | Output is partially correct |
| 8 | Correct | 10 ms | 364 KB | Output is correct |
| 9 | Partially correct | 66 ms | 380 KB | Output is partially correct |
| 10 | Partially correct | 126 ms | 348 KB | Output is partially correct |
| 11 | Partially correct | 181 ms | 292 KB | Output is partially correct |
| 12 | Partially correct | 245 ms | 356 KB | Output is partially correct |
| 13 | Partially correct | 140 ms | 296 KB | Output is partially correct |
| 14 | Partially correct | 127 ms | 304 KB | Output is partially correct |
| 15 | Partially correct | 185 ms | 356 KB | Output is partially correct |
| 16 | Partially correct | 216 ms | 488 KB | Output is partially correct |
| 17 | Partially correct | 174 ms | 372 KB | Output is partially correct |
| 18 | Partially correct | 162 ms | 448 KB | Output is partially correct |
| 19 | Partially correct | 99 ms | 368 KB | Output is partially correct |
| 20 | Partially correct | 155 ms | 456 KB | Output is partially correct |
| 21 | Partially correct | 128 ms | 340 KB | Output is partially correct |
| 22 | Partially correct | 73 ms | 400 KB | Output is partially correct |
| 23 | Partially correct | 103 ms | 312 KB | Output is partially correct |
| 24 | Partially correct | 88 ms | 304 KB | Output is partially correct |
| 25 | Partially correct | 86 ms | 368 KB | Output is partially correct |
| 26 | Partially correct | 45 ms | 332 KB | Output is partially correct |
| 27 | Partially correct | 102 ms | 352 KB | Output is partially correct |
| 28 | Partially correct | 139 ms | 356 KB | Output is partially correct |
| 29 | Partially correct | 69 ms | 384 KB | Output is partially correct |
| 30 | Partially correct | 82 ms | 484 KB | Output is partially correct |
| 31 | Partially correct | 109 ms | 432 KB | Output is partially correct |
| 32 | Partially correct | 94 ms | 336 KB | Output is partially correct |
| 33 | Partially correct | 68 ms | 336 KB | Output is partially correct |
| 34 | Partially correct | 115 ms | 292 KB | Output is partially correct |
| 35 | Partially correct | 123 ms | 368 KB | Output is partially correct |
| 36 | Partially correct | 114 ms | 296 KB | Output is partially correct |
| 37 | Partially correct | 96 ms | 348 KB | Output is partially correct |
| 38 | Partially correct | 79 ms | 404 KB | Output is partially correct |
| 39 | Partially correct | 112 ms | 332 KB | Output is partially correct |
| 40 | Partially correct | 52 ms | 368 KB | Output is partially correct |
| 41 | Partially correct | 177 ms | 376 KB | Output is partially correct |
| 42 | Partially correct | 122 ms | 372 KB | Output is partially correct |
| 43 | Partially correct | 54 ms | 300 KB | Output is partially correct |
| 44 | Partially correct | 201 ms | 284 KB | Output is partially correct |
| 45 | Partially correct | 174 ms | 584 KB | Output is partially correct |
| 46 | Partially correct | 161 ms | 348 KB | Output is partially correct |
| 47 | Partially correct | 136 ms | 356 KB | Output is partially correct |
| 48 | Partially correct | 203 ms | 604 KB | Output is partially correct |