Move Zeroes

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Given an array nums, write a function to move all 0’s to the end of it while maintaining the relative order of the non-zero elements. For exa...
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Odd Even Linked List

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Given a singly linked list, group all odd nodes together followed by the even nodes. Please note here we are talking about the node number and not ...
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Remove Duplicates from Sorted Array

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Given a sorted array, remove the duplicates in place such that each element appear only once and return the new length. Do not allocate extra space...
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