| # | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 837480 | 2023-08-25T11:16:22 Z | erekle | Rarest Insects (IOI22_insects) | C++17 | 53 ms | 272 KB |
#include "insects.h"
#include <vector>
using namespace std;
int cnt = 0;
vector<bool> inside;
void in(int i) {
if (!inside[i]) {
++cnt;
move_inside(i);
inside[i] = true;
}
}
void out(int i) {
if (inside[i]) {
--cnt;
move_outside(i);
inside[i] = false;
}
}
int min_cardinality(int N) {
inside.resize(N);
vector<bool> defInside(N), defOutside(N);
for (int i = 0; i < N; ++i) {
in(i);
if (press_button() > 1) out(i);
else defInside[i] = true;
}
int m = cnt;
if (m == 1) return N;
int left = 1, right = 1 + N/m;
while (left+1 < right) {
int k;
if (m >= 100) k = (60*left + 40*right) / 100;
else if (k >= 50) k = (left + right) / 2;
else k = (40*left + 60*right) / 100;
if (k == left) ++k;
else if (k == right) --k;
for (int i = 0; i < N; ++i) {
if (!defInside[i] && !defOutside[i] && inside[i]) out(i);
}
for (int i = 0; i < N && cnt < k*m; ++i) {
if (!defInside[i] && !defOutside[i]) {
in(i);
if (press_button() > k) out(i);
}
}
bool atLeastK = cnt == k * m;
for (int i = 0; i < N; ++i) {
if (!defInside[i] && !defOutside[i]) {
if (atLeastK) {
if (inside[i]) defInside[i] = true;
} else {
if (!inside[i]) defOutside[i] = true;
}
}
}
if (atLeastK) left = k;
else right = k;
}
return left;
}
Compilation message
| # | 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 | 1 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 | 2 ms | 208 KB | Output is correct |
| 7 | Correct | 2 ms | 208 KB | Output is correct |
| 8 | Correct | 3 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 | 1 ms | 208 KB | Output is correct |
| 12 | Correct | 5 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 | 3 ms | 208 KB | Output is correct |
| 16 | Correct | 5 ms | 208 KB | Output is correct |
| 17 | Correct | 5 ms | 208 KB | Output is correct |
| 18 | Correct | 5 ms | 208 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 |
| # | 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 | 1 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 | 2 ms | 208 KB | Output is correct |
| 7 | Correct | 2 ms | 208 KB | Output is correct |
| 8 | Correct | 3 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 | 1 ms | 208 KB | Output is correct |
| 12 | Correct | 5 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 | 3 ms | 208 KB | Output is correct |
| 16 | Correct | 5 ms | 208 KB | Output is correct |
| 17 | Correct | 5 ms | 208 KB | Output is correct |
| 18 | Correct | 5 ms | 208 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 | 9 ms | 208 KB | Output is correct |
| 24 | Correct | 9 ms | 208 KB | Output is correct |
| 25 | Correct | 23 ms | 208 KB | Output is correct |
| 26 | Correct | 21 ms | 208 KB | Output is correct |
| 27 | Correct | 25 ms | 208 KB | Output is correct |
| 28 | Correct | 7 ms | 208 KB | Output is correct |
| 29 | Correct | 19 ms | 208 KB | Output is correct |
| 30 | Correct | 21 ms | 208 KB | Output is correct |
| 31 | Correct | 16 ms | 208 KB | Output is correct |
| 32 | Correct | 21 ms | 208 KB | Output is correct |
| 33 | Correct | 22 ms | 208 KB | Output is correct |
| 34 | Correct | 13 ms | 208 KB | Output is correct |
| 35 | Correct | 19 ms | 208 KB | Output is correct |
| 36 | Correct | 17 ms | 208 KB | Output is correct |
| 37 | Correct | 15 ms | 208 KB | Output is correct |
| 38 | Correct | 19 ms | 208 KB | Output is correct |
| 39 | Correct | 16 ms | 208 KB | Output is correct |
| 40 | Correct | 13 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 | Correct | 0 ms | 208 KB | Output is correct |
| 7 | Correct | 13 ms | 208 KB | Output is correct |
| 8 | Correct | 19 ms | 208 KB | Output is correct |
| 9 | Correct | 34 ms | 208 KB | Output is correct |
| 10 | Correct | 51 ms | 268 KB | Output is correct |
| 11 | Correct | 40 ms | 208 KB | Output is correct |
| 12 | Correct | 22 ms | 208 KB | Output is correct |
| 13 | Correct | 34 ms | 208 KB | Output is correct |
| 14 | Partially correct | 35 ms | 264 KB | Output is partially correct |
| 15 | Correct | 35 ms | 208 KB | Output is correct |
| 16 | Correct | 32 ms | 208 KB | Output is correct |
| 17 | Correct | 27 ms | 208 KB | Output is correct |
| 18 | Correct | 17 ms | 208 KB | Output is correct |
| 19 | Correct | 30 ms | 208 KB | Output is correct |
| 20 | Correct | 42 ms | 208 KB | Output is correct |
| 21 | Correct | 37 ms | 208 KB | Output is correct |
| 22 | Correct | 32 ms | 208 KB | Output is correct |
| 23 | Correct | 38 ms | 208 KB | Output is correct |
| 24 | Correct | 22 ms | 208 KB | Output is correct |
| 25 | Correct | 22 ms | 208 KB | Output is correct |
| 26 | Correct | 15 ms | 208 KB | Output is correct |
| 27 | Correct | 34 ms | 208 KB | Output is correct |
| 28 | Correct | 30 ms | 208 KB | Output is correct |
| 29 | Correct | 39 ms | 208 KB | Output is correct |
| 30 | Correct | 36 ms | 208 KB | Output is correct |
| 31 | Correct | 49 ms | 268 KB | Output is correct |
| 32 | Correct | 38 ms | 208 KB | Output is correct |
| 33 | Correct | 40 ms | 208 KB | Output is correct |
| 34 | Correct | 32 ms | 208 KB | Output is correct |
| 35 | Correct | 34 ms | 208 KB | Output is correct |
| 36 | Correct | 29 ms | 208 KB | Output is correct |
| 37 | Correct | 41 ms | 264 KB | Output is correct |
| 38 | Correct | 47 ms | 272 KB | Output is correct |
| 39 | Correct | 53 ms | 208 KB | Output is correct |
| 40 | Correct | 31 ms | 208 KB | Output is correct |
| 41 | Correct | 35 ms | 208 KB | Output is correct |
| 42 | Correct | 34 ms | 208 KB | Output is correct |
| 43 | Correct | 13 ms | 208 KB | Output is correct |
| 44 | Correct | 34 ms | 208 KB | Output is correct |
| 45 | Correct | 27 ms | 208 KB | Output is correct |
| 46 | Correct | 24 ms | 208 KB | Output is correct |
| 47 | Correct | 19 ms | 208 KB | Output is correct |
| 48 | Correct | 24 ms | 208 KB | Output is correct |