Harpreet's Newsletter
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| Platform |  | Pricing | Freemium | Publishes | Weekly |
|---|---|---|---|---|---|
| Issues | 83 | Founded | a year ago | Last Issue | 7 days ago |
| Active | |||||
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singhz.substack.comLatest Issues
Merge Two Sorted Lists
Problem Overview
Difficulty: Easy
LeetCode Pattern: Two Pointers
You are given the heads of two sorted linked lists list1 and list2.
Merge the two lists into one sorted list and return the head of the merged linked list....
Valid Palindrome
Problem Overview
Difficulty: Easy
LeetCode Pattern: Two Pointers
Given a string s, return true if it is a palindrome, or false otherwise.
Note: A palindrome is a string that reads the same forward and backward after:
- Conve...
14 LeetCode Patterns To Crack Google
Here are 14 LeetCode Patterns I will study to crack my Google interview.
And no, I won’t “grind 500 problems.”
I will focus on the right patterns and the right problems.
These are the patterns and problems I will practice right before my...
Valid Sudoku
Problem Overview
Difficulty: Medium
LeetCode Pattern: Arrays & Hashing
Determine if a 9 x 9 Sudoku board is valid according to the following rules:
-
Each row must contain the digits 1-9 without repetition.
-
Each column...
Group Anagrams
Problem Overview
Difficulty: Medium
LeetCode Pattern: Arrays & Hashing
Given an array of strings, group the anagrams together and return them. You can return the answer in any order.
Note: Anagram is a word or phrase formed by...
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Authors
The writers behind this newsletter.
Software Engineer · Google · Amazon · 60K+ LinkedIn
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