Uber OA 估计是白嫖的OA，很容易拿到，目前我们已经帮助大量客户秒杀了此次OA

掌握到的规律是题目1，题目2是高频题目，也可能所有的客户都会有题目1和题目2

后面题目3和题目4是随机出现的，本文附上了部分随机的题库，不过大家碰到原题的概率应当较小。

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题目 1：Resource Conversion Simulation

Each cycle, one of three events happens:

• Option 1: If there are at least conversionRate "P" resources, then the last conversionRate "P" resources are removed and one "A" is added at the beginning of the array.
• Option 2: If there is at least one "A", the last "A" changes to "P".
• Option 3: If neither Option 1 nor Option 2 can be completed, then the process halts.

Follow the process and compute how many cycles will pass until the process halts. Refer to the examples below for better understanding.

Note: You are not expected to provide the most optimal solution, but a solution with time complexity not worse than O(resources.length ÷ conversionRate) will fit within the execution time limit.

Example

For
resources = ["A", "A", "A", "A", "P", "P", "P", "P"]
and
conversionRate = 2
the output should be
solution(resources, conversionRate) = 13.

题目 2：Newspaper Text Formatting

You are formatting the text on a newspaper page. You have to align the text on the page properly. The text is provided to you in the following format:

• paragraphs is an array of paragraphs, where each paragraph is represented as an array containing portions of text.
• width represents the maximum number of characters each line of the newspaper page can include.

Requirements

• Start a new line for each paragraph.
• Add all paragraph words in order. When words are together on a line, they should be separated by 1 space.
• You can’t break up words.
• If a line ends with leftover space, center-align the text:
  • Even leftover → equal spaces before and after
  • Odd leftover → extra space goes to the right
• Include a rectangular border of * characters around the top, bottom, left, and right of the page.

Note: You are not expected to provide the most optimal solution, but a solution with time complexity not worse than O(paragraphs.length × paragraph[0].length × width) will fit within the execution time limit.

Example

Input:

paragraphs = [["hello", "world"], ["How", "areYou", "doing"], ["Please", "look", "and", "align", "to", "the", "center"]]
width = 16

Output:

[
  "******************",
  "*  hello world   *",
  "*How areYou doing*",
  "*Please look and *",
  "* align to the   *",
  "*    center      *",
  "******************"
]

题目 3：Fruit Pair Segments

You're an inspector at a large fruit orchard. After harvesting, the fruits are laid out on a long conveyor belt. You need to identify sections of the belt that have a significant number of duplicate fruits.

You need to count the number of contiguous sections of the belt where you can form at least k pairs of identical fruits based on their position on the belt. Each fruit at a specific position can be part of at most one pair when counting towards the k pairs.

Example

fruits = [0, 1, 0, 1, 0]
k = 2

Output:
solution(fruits, k) = 3

Explanation:
There are 3 valid segments:

• [0,1,0]
• [1,0,1]
• [0,1,0]
  Each can form at least 2 pairs using non-overlapping positions.

题目 4：Magical Number Pairs

In a land where numbers hold magical powers, there exists a magical gemstone with unique properties. This gemstone can magically transform one number into another by swapping no more than two of its digits.

You are given an array numbers. Determine how many distinct pairs (i, j) exist such that 0 ≤ i < j < numbers.length, and one number in the pair can be transformed into the other by swapping at most two digits.

Note: If two numbers are already equal (no swap needed), they still count as magical pairs.

Example

numbers = [1, 23, 156, 1650, 651, 165, 32]

Output:
solution(numbers) = 3

Explanation:

• 23 ↔ 32 (swap 2 digits)
• 156 ↔ 651 (swap 1 and 6)
• 156 ↔ 165 (swap 5 and 6)

【此处插入示意图】

题目 5：Distribute and Merge Arrays

Given an array of integers numbers, distribute all elements into two arrays first and second using the following rules:

• numbers[0] → first
• numbers[1] → second
• For all i > 1, place numbers[i] in the array with more elements strictly greater than numbers[i].
• If a tie: send it to the shorter array.
• Still a tie? send it to first.

Finally, return the array formed by appending second to first.

Example

numbers = [5, 7, 6, 9, 2]

Output:
solution(numbers) = [5, 9, 2, 7, 6]

题目 6：Alternating Parity Pattern

An array is considered to follow an alternating parity pattern if it does not contain two consecutive numbers of the same parity (odd/odd or even/even).

Given an array of non-negative integers numbers, return the index of the first element that breaks the alternating parity pattern. Return -1 if the pattern is never broken.

Example

Input:

numbers = [1, 2, 5, 3, 6]

Output: 3
Explanation: 5 and 3 are both odd.

Input:

numbers = [1, 4, 7, 2, 5, 6]

Output: -1
Explanation: Pattern is never broken.

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