Exercise: Two Pointer Techniques for Array

labuladongOriginalAbout 7788 words

Prerequisites

Before reading this article, you should first learn:

Do not underestimate the array two-pointer technique; it can be applied in various ways. Let's explore some interesting examples.

Tip

Start by reviewing a few problems similar to those in Summary of Array Two-Pointer Techniques to reinforce your foundation.

80. Remove Duplicates from Sorted Array II

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125. Valid Palindrome

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75. Sort Colors

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88. Merge Sorted Array

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977. Squares of a Sorted Array

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1329. Sort the Matrix Diagonally

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1260. Shift 2D Grid

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867. Transpose Matrix

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14. Longest Common Prefix

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