LeetCode
Question
·
Nov 2021
Paypal OA question
9 upvotes
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3 replies
Question Details
There was a string of size n having certain number of question marks ( k) k can be 0 , your task is to return the number of valid strings...
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This is a reported interview question from a paypal interview for a swe role during the oa round reported in 2021.
It covers the following topics: Strings .