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HP Interview Questions (4)

Practice real interview problems from HP

All4 Easy3 Medium1 Hard0

Status	Title	Solution	Practice	Difficulty	Companies	Topics
	20. Valid Parentheses	Solution	Solve	Easy	Accenture+112	Stack String
	409. Longest Palindrome	Solution	Solve	Easy	Amazon+7	Greedy Hash Table+1
	2379. Minimum Recolors to Get K Consecutive Black Blocks	Solution	Solve	Easy	Amazon+4	Sliding Window String

Valid Parentheses

Easy✓ Solution📹 Video

Accenture+112

Longest Palindrome

Easy✓ Solution📹 Video

Amazon+7

Greedy Hash Table String

Minimum Recolors to Get K Consecutive Black Blocks

Easy✓ Solution📹 Video

Amazon+4

Sliding Window String