π New video on Leetcode 38 - Count and Say!
π String encoding problem asked in Google, Amazon, Microsoft, Apple, Adobe!
π‘ Simple explanation clean code.
πΊ Check it out: youtu.be/ZloO-vPUdoo#leetcode#dsa#codeharmony#coding
Just shared a video explaining how to count good triplets in an array.
The brute-force O(nΒ³) approach is straightforward, but the O(nΒ²) solution using *prefix sums and range queries* is the interesting part.
#dsa#leetcode
πΊ youtu.be/GxDe5uA_5es
Just dropped a new video on a π₯ LeetCode hard problem:
3272. Count of Good Integers
Itβs a sweet mix of recursion combinatorics edge-case handling.
Broke it down step-by-step with clean intuition.
πΊyoutu.be/1kGgfAwpYXk#LeetCode#DSA#Coding#CodeHarmony
π Powerful Integers | Digit DP Explained Step-by-Step
π Started from easy brute force β‘οΈ built up to Digit DP
π‘ Asked in Sprinklr interviews!
π― Simple and intuitive explanation clean code
πΊ Watch now: youtu.be/MTkIK-MU4QI#leetcode#dp#codeharmony
Easy and Tricky problem based in Hash Table , Beginner Friendly
LeetCode 3375 Minimum Operations to Make Array Values Equal to K | Easy | Hash Table | Tricky
youtu.be/0pYRhJyLXaw#leetcode#dsa#codeharmony
Beginner friendly easy hashtable problem
LeetCode 3396 Minimum Number of Operations to Make Elements in Array Distinct | Easy | Hash Table
youtu.be/7UobIJwxWTw#leetcode#dsa#codeharmony
π Asked in Google, Amazon, Meta, Microsoft & Apple
A classic DP problem on Subset Sum that every aspirant must know!
π‘ Clean recursive memoization approach
π― Perfect for interview prep!
π½οΈ Watch here: youtu.be/ZsxXWSmtEWM#leetcode#dsa#codeharmony#dp
Good dynamic programming video solved using recursion memorisation
Frequently asked in Google
LeetCode 368 Largest Divisible Subset | DP | Recursion with Memorization | Google π₯
youtu.be/fw2GwsAt3yo#leetcode#dsa#codeharmony
I have used a beginner friendly approach to keep it simple!
LeetCode 1123 Lowest Common Ancestor of Deepest Leaves | Tree | Recursion | Leetcode 865 | Meta π₯
youtu.be/_hXAsO6p9nM#leetcode#dsa#codeharmony
A beginner friendly dynamic programming problem!
Check out the ideal way to do it !
LeetCode 2140 Solving Questions With Brainpower | Dynamic Programming | Detailed DP Approach
youtu.be/vViUUeVZHzA
Pick, Not pick
House Robber
#dp#dsa#leetcode
#DSU Graph theory, essential
Frequently asked in Amazon interviews!
LeetCode 2685 Count the Number of Complete Components | Disjoint Set Union | DSU | Amazon
youtu.be/Pf2Buk5w2UY#leetcode#coding#dsa
Recent L3 Google Software Engineer Interview Experience (60 LPA)!
A friend of mine recently shared his experience interviewing for a Software Engineer role at Google. His journey and tips could be helpful for anyone preparing for Tier 1 companies: bit.ly/4iEtHma