Smallest window in a string containing all the characters of another string

#1

i am doing Babbar’s DSA sheet, i am stuck with this question, please correct me on this
i am attaching the link to the question and my soln

https://practice.geeksforgeeks.org/problems/smallest-window-in-a-string-containing-all-the-characters-of-another-string-1587115621/1#

#2

u can refer to https://ide.codingblocks.com/s/662124

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