| # | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 1063816 | 2024-08-18T03:39:14 Z | baldwinhuang1 | Rarest Insects (IOI22_insects) | C++17 | 169 ms | 1400 KB |
#include <bits/stdc++.h>
using namespace std;
void move_inside(int i);
void move_outside(int i);
int press_button();
bool check(int N, int mid, int uniqueValues) {
int amountInside = 0;
// cout << "Mid: " << mid << '\n';
// cout << press_button() << '\n';
vector<int> trackInside;
for (int i = 0; i < N; i++) {
move_inside(i);
amountInside++;
trackInside.push_back(i);
int curr = press_button();
if (curr > mid) {
move_outside(i);
amountInside--;
trackInside.erase(trackInside.end() - 1);
}
else if (curr == mid && amountInside == (uniqueValues * mid)) {
for (auto &i: trackInside) {
move_outside(i);
}
return true;
}
}
for (auto &i: trackInside) {
move_outside(i);
}
return false;
}
int min_cardinality(int N) {
vector<int> mask(N, false);
int uniqueValues = 0;
for (int i = 0; i < N; i++) {
move_inside(i);
if (press_button() == 1) {
mask[i] = true;
uniqueValues++;
continue;
}
else {
move_outside(i);
}
}
for (int i = 0; i < N; i++) {
if (mask[i] == true) {
move_outside(i);
}
// cout << mask[i] << ' ';
}
// cout << check(N, 1024, uniqueValues) << '\n';
// cout << check(N, 511, uniqueValues) << '\n';
// cout << check(N, 255, uniqueValues) << '\n';
// cout << check(N, 127, uniqueValues) << '\n';
// cout << check(N, 63, uniqueValues) << '\n';
// cout << check(N, 31, uniqueValues) << '\n';
// cout << check(N, 15, uniqueValues) << '\n';
// cout << check(N, 7, uniqueValues) << '\n';
// cout << check(N, 3, uniqueValues) << '\n';
// cout << check(N, 1, uniqueValues) << '\n';
// cout << check(N, 2, uniqueValues) << '\n';
// return 0;
int high = 2048; // 2^11
int low = 0;
int ans = -1;
while (low <= high) {
int mid = low + (high - low) / 2;
// cout << low << ' ' << high << ' ' << mid << '\n';
if (check(N, mid, uniqueValues)) {
// cout << "True" << '\n';
low = mid + 1;
ans = mid;
}
else {
// cout << "False" << '\n';
high = mid - 1;
}
}
return ans;
}
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 1 ms | 344 KB | Output is correct |
| 2 | Correct | 1 ms | 344 KB | Output is correct |
| 3 | Correct | 1 ms | 344 KB | Output is correct |
| 4 | Correct | 1 ms | 344 KB | Output is correct |
| 5 | Correct | 1 ms | 388 KB | Output is correct |
| 6 | Correct | 11 ms | 344 KB | Output is correct |
| 7 | Correct | 20 ms | 596 KB | Output is correct |
| 8 | Correct | 11 ms | 356 KB | Output is correct |
| 9 | Correct | 9 ms | 352 KB | Output is correct |
| 10 | Correct | 14 ms | 440 KB | Output is correct |
| 11 | Correct | 11 ms | 344 KB | Output is correct |
| 12 | Correct | 10 ms | 344 KB | Output is correct |
| 13 | Correct | 11 ms | 344 KB | Output is correct |
| 14 | Correct | 15 ms | 344 KB | Output is correct |
| 15 | Correct | 13 ms | 344 KB | Output is correct |
| 16 | Correct | 11 ms | 344 KB | Output is correct |
| 17 | Correct | 8 ms | 344 KB | Output is correct |
| 18 | Correct | 14 ms | 344 KB | Output is correct |
| 19 | Correct | 10 ms | 344 KB | Output is correct |
| 20 | Correct | 11 ms | 344 KB | Output is correct |
| 21 | Correct | 7 ms | 344 KB | Output is correct |
| 22 | Correct | 13 ms | 344 KB | Output is correct |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 1 ms | 344 KB | Output is correct |
| 2 | Correct | 1 ms | 344 KB | Output is correct |
| 3 | Correct | 1 ms | 344 KB | Output is correct |
| 4 | Correct | 1 ms | 344 KB | Output is correct |
| 5 | Correct | 1 ms | 388 KB | Output is correct |
| 6 | Correct | 11 ms | 344 KB | Output is correct |
| 7 | Correct | 20 ms | 596 KB | Output is correct |
| 8 | Correct | 11 ms | 356 KB | Output is correct |
| 9 | Correct | 9 ms | 352 KB | Output is correct |
| 10 | Correct | 14 ms | 440 KB | Output is correct |
| 11 | Correct | 11 ms | 344 KB | Output is correct |
| 12 | Correct | 10 ms | 344 KB | Output is correct |
| 13 | Correct | 11 ms | 344 KB | Output is correct |
| 14 | Correct | 15 ms | 344 KB | Output is correct |
| 15 | Correct | 13 ms | 344 KB | Output is correct |
| 16 | Correct | 11 ms | 344 KB | Output is correct |
| 17 | Correct | 8 ms | 344 KB | Output is correct |
| 18 | Correct | 14 ms | 344 KB | Output is correct |
| 19 | Correct | 10 ms | 344 KB | Output is correct |
| 20 | Correct | 11 ms | 344 KB | Output is correct |
| 21 | Correct | 7 ms | 344 KB | Output is correct |
| 22 | Correct | 13 ms | 344 KB | Output is correct |
| 23 | Correct | 58 ms | 344 KB | Output is correct |
| 24 | Correct | 75 ms | 600 KB | Output is correct |
| 25 | Correct | 63 ms | 344 KB | Output is correct |
| 26 | Correct | 63 ms | 344 KB | Output is correct |
| 27 | Correct | 63 ms | 420 KB | Output is correct |
| 28 | Correct | 75 ms | 440 KB | Output is correct |
| 29 | Correct | 60 ms | 600 KB | Output is correct |
| 30 | Correct | 57 ms | 344 KB | Output is correct |
| 31 | Correct | 61 ms | 344 KB | Output is correct |
| 32 | Correct | 53 ms | 344 KB | Output is correct |
| 33 | Correct | 70 ms | 344 KB | Output is correct |
| 34 | Correct | 73 ms | 344 KB | Output is correct |
| 35 | Correct | 56 ms | 344 KB | Output is correct |
| 36 | Correct | 67 ms | 596 KB | Output is correct |
| 37 | Correct | 61 ms | 592 KB | Output is correct |
| 38 | Correct | 68 ms | 600 KB | Output is correct |
| 39 | Correct | 69 ms | 600 KB | Output is correct |
| 40 | Correct | 67 ms | 344 KB | Output is correct |
| 41 | Correct | 135 ms | 600 KB | Output is correct |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 1 ms | 344 KB | Output is correct |
| 2 | Partially correct | 0 ms | 344 KB | Output is partially correct |
| 3 | Partially correct | 1 ms | 344 KB | Output is partially correct |
| 4 | Partially correct | 0 ms | 344 KB | Output is partially correct |
| 5 | Partially correct | 1 ms | 344 KB | Output is partially correct |
| 6 | Partially correct | 2 ms | 344 KB | Output is partially correct |
| 7 | Partially correct | 161 ms | 1184 KB | Output is partially correct |
| 8 | Partially correct | 150 ms | 912 KB | Output is partially correct |
| 9 | Partially correct | 118 ms | 536 KB | Output is partially correct |
| 10 | Partially correct | 113 ms | 700 KB | Output is partially correct |
| 11 | Partially correct | 125 ms | 348 KB | Output is partially correct |
| 12 | Partially correct | 132 ms | 688 KB | Output is partially correct |
| 13 | Partially correct | 140 ms | 680 KB | Output is partially correct |
| 14 | Partially correct | 155 ms | 676 KB | Output is partially correct |
| 15 | Partially correct | 120 ms | 804 KB | Output is partially correct |
| 16 | Partially correct | 135 ms | 680 KB | Output is partially correct |
| 17 | Partially correct | 148 ms | 684 KB | Output is partially correct |
| 18 | Partially correct | 139 ms | 1108 KB | Output is partially correct |
| 19 | Partially correct | 152 ms | 592 KB | Output is partially correct |
| 20 | Partially correct | 136 ms | 516 KB | Output is partially correct |
| 21 | Partially correct | 126 ms | 592 KB | Output is partially correct |
| 22 | Partially correct | 104 ms | 924 KB | Output is partially correct |
| 23 | Partially correct | 128 ms | 680 KB | Output is partially correct |
| 24 | Partially correct | 142 ms | 824 KB | Output is partially correct |
| 25 | Partially correct | 169 ms | 840 KB | Output is partially correct |
| 26 | Partially correct | 150 ms | 576 KB | Output is partially correct |
| 27 | Partially correct | 132 ms | 664 KB | Output is partially correct |
| 28 | Partially correct | 153 ms | 600 KB | Output is partially correct |
| 29 | Partially correct | 151 ms | 672 KB | Output is partially correct |
| 30 | Partially correct | 130 ms | 656 KB | Output is partially correct |
| 31 | Partially correct | 153 ms | 912 KB | Output is partially correct |
| 32 | Partially correct | 125 ms | 684 KB | Output is partially correct |
| 33 | Partially correct | 122 ms | 612 KB | Output is partially correct |
| 34 | Partially correct | 114 ms | 592 KB | Output is partially correct |
| 35 | Partially correct | 133 ms | 584 KB | Output is partially correct |
| 36 | Partially correct | 169 ms | 684 KB | Output is partially correct |
| 37 | Partially correct | 134 ms | 892 KB | Output is partially correct |
| 38 | Partially correct | 141 ms | 672 KB | Output is partially correct |
| 39 | Partially correct | 145 ms | 668 KB | Output is partially correct |
| 40 | Partially correct | 131 ms | 1400 KB | Output is partially correct |
| 41 | Partially correct | 147 ms | 744 KB | Output is partially correct |
| 42 | Partially correct | 150 ms | 864 KB | Output is partially correct |
| 43 | Partially correct | 41 ms | 344 KB | Output is partially correct |
| 44 | Partially correct | 138 ms | 688 KB | Output is partially correct |
| 45 | Partially correct | 137 ms | 680 KB | Output is partially correct |
| 46 | Partially correct | 138 ms | 576 KB | Output is partially correct |
| 47 | Partially correct | 146 ms | 592 KB | Output is partially correct |
| 48 | Partially correct | 125 ms | 692 KB | Output is partially correct |