Permutations

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MySQL export data by sql

You can export data by using mysqldump command. Click here for more detail.

String to Integer (atoi)

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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

Problem Description

Palindrome Number

Problem Description