| # | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 1065159 | 2024-08-19T01:41:31 Z | cjoa | Rarest Insects (IOI22_insects) | C++17 | 145 ms | 600 KB |
#include "insects.h"
#include <vector>
#include <algorithm>
#include <cassert>
#include <iostream>
using namespace std;
int N, T;
int cnt_inside;
vector<bool> inside;
void MOVE_IN(int n) {
// cerr << "+ " << n << endl;
assert(!inside[n]);
move_inside(n);
inside[n] = true;
++cnt_inside;
}
void MOVE_OUT(int n) {
// cerr << "- " << n << endl;
assert(inside[n]);
move_outside(n);
inside[n] = false;
--cnt_inside;
}
bool check(int x) {
for (int n = 0; n < N; ++n) {
if (inside[n])
continue;
MOVE_IN(n);
int f = press_button();
if (f > x)
MOVE_OUT(n);
}
return cnt_inside == T * x;
}
void RESTORE(const vector<bool>& orig) {
for (int n = 0; n < N; ++n) {
if (inside[n] != orig[n]) {
if (orig[n])
MOVE_IN(n);
else
MOVE_OUT(n);
}
}
}
int min_cardinality(int _N) {
N = _N;
cnt_inside = 0;
inside.assign(N, false);
check(1);
T = cnt_inside;
int res = 1;
int lo = 1, hi = N / T;
while (lo <= hi) {
int mid = lo + (hi - lo) / 2;
vector<bool> orig_inside = inside;
if (check(mid)) {
lo = mid+1;
res = mid;
}
else {
hi = mid-1;
RESTORE(orig_inside);
}
}
return res;
}
| # | 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 | 352 KB | Output is correct |
| 4 | Correct | 0 ms | 344 KB | Output is correct |
| 5 | Correct | 0 ms | 344 KB | Output is correct |
| 6 | Correct | 3 ms | 344 KB | Output is correct |
| 7 | Correct | 1 ms | 344 KB | Output is correct |
| 8 | Correct | 3 ms | 344 KB | Output is correct |
| 9 | Correct | 3 ms | 344 KB | Output is correct |
| 10 | Correct | 11 ms | 344 KB | Output is correct |
| 11 | Correct | 2 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 | 3 ms | 344 KB | Output is correct |
| 15 | Correct | 2 ms | 416 KB | Output is correct |
| 16 | Correct | 3 ms | 344 KB | Output is correct |
| 17 | Correct | 3 ms | 344 KB | Output is correct |
| 18 | Correct | 4 ms | 344 KB | Output is correct |
| 19 | Correct | 3 ms | 344 KB | Output is correct |
| 20 | Correct | 4 ms | 344 KB | Output is correct |
| 21 | Correct | 2 ms | 344 KB | Output is correct |
| 22 | Correct | 3 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 | 352 KB | Output is correct |
| 4 | Correct | 0 ms | 344 KB | Output is correct |
| 5 | Correct | 0 ms | 344 KB | Output is correct |
| 6 | Correct | 3 ms | 344 KB | Output is correct |
| 7 | Correct | 1 ms | 344 KB | Output is correct |
| 8 | Correct | 3 ms | 344 KB | Output is correct |
| 9 | Correct | 3 ms | 344 KB | Output is correct |
| 10 | Correct | 11 ms | 344 KB | Output is correct |
| 11 | Correct | 2 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 | 3 ms | 344 KB | Output is correct |
| 15 | Correct | 2 ms | 416 KB | Output is correct |
| 16 | Correct | 3 ms | 344 KB | Output is correct |
| 17 | Correct | 3 ms | 344 KB | Output is correct |
| 18 | Correct | 4 ms | 344 KB | Output is correct |
| 19 | Correct | 3 ms | 344 KB | Output is correct |
| 20 | Correct | 4 ms | 344 KB | Output is correct |
| 21 | Correct | 2 ms | 344 KB | Output is correct |
| 22 | Correct | 3 ms | 344 KB | Output is correct |
| 23 | Correct | 21 ms | 344 KB | Output is correct |
| 24 | Correct | 6 ms | 344 KB | Output is correct |
| 25 | Correct | 14 ms | 344 KB | Output is correct |
| 26 | Correct | 18 ms | 344 KB | Output is correct |
| 27 | Correct | 63 ms | 344 KB | Output is correct |
| 28 | Correct | 7 ms | 344 KB | Output is correct |
| 29 | Correct | 49 ms | 344 KB | Output is correct |
| 30 | Correct | 26 ms | 344 KB | Output is correct |
| 31 | Correct | 13 ms | 344 KB | Output is correct |
| 32 | Correct | 17 ms | 344 KB | Output is correct |
| 33 | Correct | 21 ms | 344 KB | Output is correct |
| 34 | Correct | 10 ms | 344 KB | Output is correct |
| 35 | Correct | 15 ms | 344 KB | Output is correct |
| 36 | Correct | 25 ms | 344 KB | Output is correct |
| 37 | Correct | 16 ms | 344 KB | Output is correct |
| 38 | Correct | 18 ms | 344 KB | Output is correct |
| 39 | Correct | 16 ms | 344 KB | Output is correct |
| 40 | Correct | 11 ms | 344 KB | Output is correct |
| 41 | Correct | 5 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 | 1 ms | 344 KB | Output is correct |
| 6 | Correct | 1 ms | 344 KB | Output is correct |
| 7 | Correct | 37 ms | 344 KB | Output is correct |
| 8 | Correct | 9 ms | 344 KB | Output is correct |
| 9 | Correct | 22 ms | 344 KB | Output is correct |
| 10 | Partially correct | 48 ms | 344 KB | Output is partially correct |
| 11 | Partially correct | 145 ms | 344 KB | Output is partially correct |
| 12 | Correct | 23 ms | 344 KB | Output is correct |
| 13 | Partially correct | 113 ms | 344 KB | Output is partially correct |
| 14 | Partially correct | 52 ms | 344 KB | Output is partially correct |
| 15 | Partially correct | 36 ms | 344 KB | Output is partially correct |
| 16 | Partially correct | 35 ms | 344 KB | Output is partially correct |
| 17 | Partially correct | 43 ms | 344 KB | Output is partially correct |
| 18 | Partially correct | 40 ms | 344 KB | Output is partially correct |
| 19 | Partially correct | 39 ms | 344 KB | Output is partially correct |
| 20 | Partially correct | 37 ms | 344 KB | Output is partially correct |
| 21 | Partially correct | 54 ms | 344 KB | Output is partially correct |
| 22 | Partially correct | 27 ms | 592 KB | Output is partially correct |
| 23 | Partially correct | 39 ms | 344 KB | Output is partially correct |
| 24 | Correct | 19 ms | 344 KB | Output is correct |
| 25 | Correct | 23 ms | 344 KB | Output is correct |
| 26 | Correct | 9 ms | 344 KB | Output is correct |
| 27 | Partially correct | 31 ms | 344 KB | Output is partially correct |
| 28 | Partially correct | 37 ms | 344 KB | Output is partially correct |
| 29 | Partially correct | 38 ms | 344 KB | Output is partially correct |
| 30 | Partially correct | 31 ms | 356 KB | Output is partially correct |
| 31 | Partially correct | 38 ms | 344 KB | Output is partially correct |
| 32 | Partially correct | 38 ms | 408 KB | Output is partially correct |
| 33 | Partially correct | 52 ms | 344 KB | Output is partially correct |
| 34 | Partially correct | 59 ms | 344 KB | Output is partially correct |
| 35 | Partially correct | 27 ms | 344 KB | Output is partially correct |
| 36 | Partially correct | 42 ms | 600 KB | Output is partially correct |
| 37 | Partially correct | 38 ms | 412 KB | Output is partially correct |
| 38 | Partially correct | 37 ms | 344 KB | Output is partially correct |
| 39 | Partially correct | 33 ms | 344 KB | Output is partially correct |
| 40 | Partially correct | 30 ms | 344 KB | Output is partially correct |
| 41 | Partially correct | 26 ms | 344 KB | Output is partially correct |
| 42 | Partially correct | 38 ms | 344 KB | Output is partially correct |
| 43 | Partially correct | 24 ms | 344 KB | Output is partially correct |
| 44 | Partially correct | 91 ms | 344 KB | Output is partially correct |
| 45 | Correct | 42 ms | 344 KB | Output is correct |
| 46 | Correct | 16 ms | 344 KB | Output is correct |
| 47 | Correct | 15 ms | 344 KB | Output is correct |
| 48 | Correct | 24 ms | 344 KB | Output is correct |