Check Array Formation Through Concatenation | Leetcode 1640 | Live Coding session

1) 0:00 Explaining the problem out loud 2) 3:00 Algorithm walkthrough 3) 8:00 Coding it up 4) 12:40 Time complexity TC :O(n) SC :O(n) where n is the no elements in the input array Code Link https://github.com/Sunchit/Coding-Decoded/blob/master/January2021/CheckFormationThroughConcatenation.java Repo link : https://github.com/Sunchit/Coding-Decoded/ Complete January Playlist : https://www.youtube.com/playlist?list=PLEI-q7w3s9gR8EhTsObcgM74NnIiAcRWm Complete December Playlist: https://www.youtube.com/playlist?list=PLEI-q7w3s9gQIB_urBmMV04f_NBelXJEP Channel link: https://www.youtube.com/c/CodingDecoded