HP Interview Questions — 3 DSA Problems

3 problems with full solutions in Python, Java, C++, JavaScript, Go, Rust.

Most frequently asked HP LeetCode questions for software engineering interviews.

Minimum Recolors to Get K Consecutive Black Blocks (EASY) — String, Sliding Window
Minimum Cost Homecoming of a Robot in a Grid (MEDIUM) — Array, Greedy
Longest Palindrome (EASY) — Hash Table, String, Greedy

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3 questions tracked3 with solutions

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Frequency scoreSorted highest → lowest frequency✓ Our Solution = we have a detailed walkthrough

Showing 3 of 3 questions

EasyMinimum Recolors to Get K Consecutive Black Blocks✓ Our Solution

100

StringSliding Window

MediumMinimum Cost Homecoming of a Robot in a Grid✓ Our Solution

ArrayGreedy

EasyLongest Palindrome✓ Our Solution

Hash TableStringGreedy