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</html><description>Many companies evaluate the algorithm and problem-solving abilities of applicants through coding tests. In this article, we will solve an algorithm problem that implements the DDR (Dance Dance Revolution) game using JavaScript. This article will detail the understanding of the problem, solution methods, code writing, and testing process. Problem Description Here is a simple version &hellip; &#xB354; &#xBCF4;&#xAE30; ""</description></oembed>
