Move Zeroes

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Plus One

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Implement strStr()

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Climbing Stairs

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Maximum Subarray

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Longest Common Prefix

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Longest Palindromic Substring

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Hive case when example

Let's say you have table like following. You want to query the nums of each level.

Roman to Integer

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Palindrome Number

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Reverse Integer

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Hive group by get last record

Let's say you have a table like following.

Hive not in example

We can use left join in Hive to implements in or not in operation. Now we have two tables A and B like following.

Implement Stack using Queues

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Valid Parentheses

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