If you are studying Data Structures for Job Interviews then a very limited set of questions on Data Structures will be repeated which are the most commonly asked Data Structure Interview Questions. If you want to become a good competitive programmer, then you must learn several complex data structures like Segment Trees, Fenwick Tree, Binary Indexed Trees, etc.
For the more frequently asked Data Structure questions in Interviews with the best explanations, check out this Data Structures Interview Questions blog by Intellipaat.
Also, you can watch this video on Data Structure Interview Questions:
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