Why do Interviewers care so much about Algorithm and Data Structures?

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Data Structures and Algorithms are one of the most important skills that every computer science student must-have. It is often seen that people with good knowledge of these technologies are better programmers than others. These skills not only help a programmer to land a high paying job but also to sustain and perform well in the Job. With the increasing demands and competition in the software engineering industry, companies these days not only look for hard-working developers but also for developers who can solve a problem as optimally as possible to met customer satisfaction.