seo: add social image

This commit is contained in:
Yangshun Tay
2022-05-11 10:18:34 +08:00
parent 5e137e236d
commit 75c75293b1
70 changed files with 138 additions and 0 deletions

View File

@ -15,6 +15,10 @@ sidebar_label: Matrix
toc_max_heading_level: 2
---
<head>
<meta property="og:image" content="https://www.techinterviewhandbook.org/social/algorithms/algorithms/algorithms-matrix.png" />
</head>
## Introduction
A matrix is a 2-dimensional array. Questions involving matrices are usually related to [dynamic programming](./dynamic-programming.md) or [graph](./graph.md) traversal.