| # | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 1009243 | 2024-06-27T10:28:07 Z | oyber | Rarest Insects (IOI22_insects) | C++17 | 75 ms | 692 KB |
#include "insects.h"
#include <bits/stdc++.h>
using namespace std;
vector<int> uniqu;
vector<int> insects;
int N;
vector<bool> used;
vector<int> last_used;
void empty() {
for (int i = 0; i < int(last_used.size()); i++) {
int a = last_used[i];
move_outside(a);
used[a] = false;
}
}
bool check_num(int num) {
last_used = vector<int>(0);
//printf("num: %d\n", num);
for (int i = 0; i < int(insects.size()); i++) {
if (used[insects[i]]) continue;
//printf("insect: %d\n", insects[i]);
move_inside(insects[i]);
if (press_button() >= num) {
move_outside(insects[i]);
continue;
}
used[insects[i]] = true;
last_used.push_back(insects[i]);
}
//printf("n1: %d\n", press_button());
bool valid = true;
for (int i = 0; i < int(uniqu.size()); i++) {
//printf("n2: %d\n", press_button());
move_inside(uniqu[i]);
//printf("n3: %d\n", press_button());
if (press_button() != num) {
//printf("not valid i=%d\n", uniqu[i]);
move_outside(uniqu[i]);
valid = false;
break;
}
move_outside(uniqu[i]);
}
//printf("valid: %d\n", int(valid));
return valid;
}
int min_cardinality(int n) {
N = n;
used.resize(N);
int types = 0;
for (int i = 0; i < N; i++) {
move_inside(i);
if (press_button() > 1) {
move_outside(i);
insects.push_back(i);
continue;
}
types++;
uniqu.push_back(i);
}
for (int i = 0; i < int(uniqu.size()); i++) {
move_outside(uniqu[i]);
}
int l = 1;
int r = N/types+1;
while (l < r) {
int m = (l*3+r)/4;
if (check_num(m)) {
l = m+1;
} else {
r = m;
empty();
}
}
return r-1;
/*for (int i = 1; i <= N/types; i++) {
if (!check_num(i)) {
return i-1;
}
}
return N/types;*/
}
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 0 ms | 344 KB | Output is correct |
| 2 | Correct | 0 ms | 344 KB | Output is correct |
| 3 | Correct | 0 ms | 344 KB | Output is correct |
| 4 | Correct | 0 ms | 344 KB | Output is correct |
| 5 | Correct | 0 ms | 344 KB | Output is correct |
| 6 | Correct | 7 ms | 344 KB | Output is correct |
| 7 | Correct | 2 ms | 600 KB | Output is correct |
| 8 | Correct | 6 ms | 344 KB | Output is correct |
| 9 | Correct | 7 ms | 344 KB | Output is correct |
| 10 | Correct | 5 ms | 344 KB | Output is correct |
| 11 | Correct | 3 ms | 344 KB | Output is correct |
| 12 | Correct | 5 ms | 344 KB | Output is correct |
| 13 | Correct | 5 ms | 344 KB | Output is correct |
| 14 | Correct | 6 ms | 436 KB | Output is correct |
| 15 | Correct | 5 ms | 344 KB | Output is correct |
| 16 | Correct | 5 ms | 344 KB | Output is correct |
| 17 | Correct | 3 ms | 600 KB | Output is correct |
| 18 | Correct | 6 ms | 600 KB | Output is correct |
| 19 | Correct | 4 ms | 344 KB | Output is correct |
| 20 | Correct | 3 ms | 436 KB | Output is correct |
| 21 | Correct | 5 ms | 344 KB | Output is correct |
| 22 | Correct | 2 ms | 344 KB | Output is correct |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 0 ms | 344 KB | Output is correct |
| 2 | Correct | 0 ms | 344 KB | Output is correct |
| 3 | Correct | 0 ms | 344 KB | Output is correct |
| 4 | Correct | 0 ms | 344 KB | Output is correct |
| 5 | Correct | 0 ms | 344 KB | Output is correct |
| 6 | Correct | 7 ms | 344 KB | Output is correct |
| 7 | Correct | 2 ms | 600 KB | Output is correct |
| 8 | Correct | 6 ms | 344 KB | Output is correct |
| 9 | Correct | 7 ms | 344 KB | Output is correct |
| 10 | Correct | 5 ms | 344 KB | Output is correct |
| 11 | Correct | 3 ms | 344 KB | Output is correct |
| 12 | Correct | 5 ms | 344 KB | Output is correct |
| 13 | Correct | 5 ms | 344 KB | Output is correct |
| 14 | Correct | 6 ms | 436 KB | Output is correct |
| 15 | Correct | 5 ms | 344 KB | Output is correct |
| 16 | Correct | 5 ms | 344 KB | Output is correct |
| 17 | Correct | 3 ms | 600 KB | Output is correct |
| 18 | Correct | 6 ms | 600 KB | Output is correct |
| 19 | Correct | 4 ms | 344 KB | Output is correct |
| 20 | Correct | 3 ms | 436 KB | Output is correct |
| 21 | Correct | 5 ms | 344 KB | Output is correct |
| 22 | Correct | 2 ms | 344 KB | Output is correct |
| 23 | Correct | 20 ms | 344 KB | Output is correct |
| 24 | Correct | 10 ms | 344 KB | Output is correct |
| 25 | Correct | 24 ms | 692 KB | Output is correct |
| 26 | Correct | 37 ms | 344 KB | Output is correct |
| 27 | Correct | 44 ms | 344 KB | Output is correct |
| 28 | Correct | 7 ms | 596 KB | Output is correct |
| 29 | Correct | 43 ms | 344 KB | Output is correct |
| 30 | Correct | 26 ms | 344 KB | Output is correct |
| 31 | Correct | 24 ms | 344 KB | Output is correct |
| 32 | Correct | 29 ms | 440 KB | Output is correct |
| 33 | Correct | 21 ms | 440 KB | Output is correct |
| 34 | Correct | 29 ms | 600 KB | Output is correct |
| 35 | Correct | 19 ms | 344 KB | Output is correct |
| 36 | Correct | 26 ms | 600 KB | Output is correct |
| 37 | Correct | 25 ms | 344 KB | Output is correct |
| 38 | Correct | 24 ms | 600 KB | Output is correct |
| 39 | Correct | 11 ms | 344 KB | Output is correct |
| 40 | Correct | 10 ms | 344 KB | Output is correct |
| 41 | Correct | 7 ms | 344 KB | Output is correct |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 1 ms | 344 KB | Output is correct |
| 2 | Correct | 0 ms | 344 KB | Output is correct |
| 3 | Correct | 0 ms | 344 KB | Output is correct |
| 4 | Correct | 0 ms | 344 KB | Output is correct |
| 5 | Correct | 0 ms | 344 KB | Output is correct |
| 6 | Partially correct | 0 ms | 344 KB | Output is partially correct |
| 7 | Partially correct | 67 ms | 444 KB | Output is partially correct |
| 8 | Correct | 19 ms | 340 KB | Output is correct |
| 9 | Partially correct | 58 ms | 444 KB | Output is partially correct |
| 10 | Partially correct | 59 ms | 444 KB | Output is partially correct |
| 11 | Partially correct | 60 ms | 344 KB | Output is partially correct |
| 12 | Correct | 23 ms | 344 KB | Output is correct |
| 13 | Partially correct | 75 ms | 444 KB | Output is partially correct |
| 14 | Partially correct | 51 ms | 344 KB | Output is partially correct |
| 15 | Partially correct | 59 ms | 440 KB | Output is partially correct |
| 16 | Partially correct | 62 ms | 440 KB | Output is partially correct |
| 17 | Partially correct | 57 ms | 344 KB | Output is partially correct |
| 18 | Partially correct | 56 ms | 344 KB | Output is partially correct |
| 19 | Partially correct | 68 ms | 344 KB | Output is partially correct |
| 20 | Partially correct | 47 ms | 444 KB | Output is partially correct |
| 21 | Partially correct | 53 ms | 600 KB | Output is partially correct |
| 22 | Partially correct | 43 ms | 436 KB | Output is partially correct |
| 23 | Partially correct | 39 ms | 344 KB | Output is partially correct |
| 24 | Correct | 26 ms | 344 KB | Output is correct |
| 25 | Correct | 23 ms | 600 KB | Output is correct |
| 26 | Correct | 23 ms | 456 KB | Output is correct |
| 27 | Partially correct | 55 ms | 344 KB | Output is partially correct |
| 28 | Partially correct | 43 ms | 440 KB | Output is partially correct |
| 29 | Partially correct | 57 ms | 344 KB | Output is partially correct |
| 30 | Partially correct | 64 ms | 344 KB | Output is partially correct |
| 31 | Partially correct | 41 ms | 344 KB | Output is partially correct |
| 32 | Partially correct | 46 ms | 344 KB | Output is partially correct |
| 33 | Partially correct | 35 ms | 436 KB | Output is partially correct |
| 34 | Partially correct | 52 ms | 600 KB | Output is partially correct |
| 35 | Partially correct | 65 ms | 344 KB | Output is partially correct |
| 36 | Partially correct | 43 ms | 600 KB | Output is partially correct |
| 37 | Partially correct | 46 ms | 444 KB | Output is partially correct |
| 38 | Partially correct | 41 ms | 600 KB | Output is partially correct |
| 39 | Partially correct | 63 ms | 344 KB | Output is partially correct |
| 40 | Partially correct | 47 ms | 344 KB | Output is partially correct |
| 41 | Partially correct | 52 ms | 600 KB | Output is partially correct |
| 42 | Partially correct | 58 ms | 600 KB | Output is partially correct |
| 43 | Partially correct | 12 ms | 344 KB | Output is partially correct |
| 44 | Partially correct | 59 ms | 344 KB | Output is partially correct |
| 45 | Partially correct | 49 ms | 436 KB | Output is partially correct |
| 46 | Correct | 20 ms | 444 KB | Output is correct |
| 47 | Correct | 27 ms | 344 KB | Output is correct |
| 48 | Correct | 30 ms | 452 KB | Output is correct |