Data Structures in Javascript ( Recursion ) | DSA Interview Questions | Backtracking Algorithms
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In this video, you'll get a in-depth knowledge of how recursion works and its importance in solving complex problems. We start off with real life example of recursion in our life and then go on to discuss the most asked DSA with JS interview Questions on it.
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00:00 Recursion in Real Life
02:02 Converting this scenario to code
03:53 Example of recursive function
04:53 Converting repeating functions into recursive
06:31 Why is Recursion needed?
06:54 Loops vs Recursion
07:29 Convert loop into a recursion
12:29 Most Asked Interview Questions on Recursion
12:35 Ques 1 - Factorial on n
14:50 Ques 2 - Range of Numbers
19:29 Ques 3 - Palindrome Number
20:18 Ques 4 - Fibonacci Number
21:19 Visual Explanation of Algorithm by AlgoAgarwal
26:54 Solution #1 - Without Recursion
28:32 Solution #2 - With Recursion
29:31 Ques 5 - Reverse a String Recursively
34:45 Ques 6 - Subsets ( Backtracking Algorithm )
36:20 Visual Explanation of Algorithm by AlgoAgarwal
42:18 Code for this Algorithm
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