Code with K5KC

Retrieving the minimum element in constant time shouldn't require a loop. 🧠 Master the two-stack approach to solve LeetCode 155 with O(1) efficiency. Stop scanning and start optimizing! 🚀 youtube.com/watch?v=Ro5MTa… #LeetCode #DataStructures #CodingInterview

Most devs learn Bubble Sort first. It's also O(N²) — one of the slowest. Here's every comparison and swap visualized 🧵👇 #100DaysOfCode #coding #softwareengineering #javascript #python #webdev

Most devs learn Bubble Sort first. It's also O(N²) — one of the slowest. Here's every comparison and swap visualized 🧵👇 #100DaysOfCode #coding #softwareengineering #javascript #python #webdev

Mastering tricky string problems? 🧩 LeetCode 844 (Backspace String Compare) is a classic! Dive deep as we tackle it with both Stack and Two Pointers. 🧠 Code: k5kc.com/cs/problems/ba… Video: youtu.be/kh72xnt_b9M #LeetCode #Algorithms #CodingInterview

Java Concurrency: wait vs sleep vs yield Explained #k5kc #java - Thread.sleep()`: Keeps the lock 🔒 - `object.wait()`: Releases the lock 🔓 (Must be in a synchronized block!) - `Thread.yield()`: A polite hint to the CPU scheduler ⚙️ #coding #programming #k5kc

Valid Sudoku: Validate Sudoku 🧩. Rows, cols, 3x3 boxes must have 1-9 unique. ✅ 📺 Watch now: youtube.com/watch?v=18oaKC… 📜 Read: k5kc.com/cs/problems/va… #algorithms #array #coding #coding-challenge #hash-table #java #k5kc #leetcode #matrix #python

How does AI *really* understand language? 🤔 Discover embeddings – the secret sauce for semantic search & RAG! Get the breakdown in this quick Short. 👇 youtube.com/shorts/bWMgjgi… #shorts #Embeddings

Linked List Cycle: 🔄? 📺 Watch now: youtube.com/watch?v=iUqJm5… 📜 Read: k5kc.com/cs/problems/li… #coding #k5kc #computerscience #programming #**subscribe** #java #python #leetcode #coding-challenge #algorithms #hash-table #linked-list #two-pointers

Merge Two Sorted Lists v2: Sorted LL merge! 🔗💡 📺 Watch now: youtube.com/watch?v=UoH_MQ… 📜 Read: k5kc.com/cs/problems/me… #coding #k5kc #computerscience #programming #java #python #leetcode #coding-challenge #algorithms #linked-list #recursion

Valid Parentheses: Brackets valid? Type & order rules. ✅ 📺 Watch now: youtube.com/watch?v=6xIQh8… 📜 Read: k5kc.com/cs/problems/va… #coding #k5kc #computerscience #programming #java #python #leetcode #coding-challenge #algorithms #stack #string

Alien Dictionary: Find alien char order from sorted dict! 👽📚 📺 Watch now: youtube.com/watch?v=_kc1Yq… 📜 Read: k5kc.com/cs/problems/al… #coding #k5kc #computerscience #programming #java #python #leetcode #algorithms #bfs #dfs #graph #string #topological-sort #kahns-algorithm

Number of Connected Components in an Undirected Graph: Count separate "islands" in an undirected graph. 🏝️🔗 📺 Watch now: youtube.com/watch?v=Wa8LQ-… 📜 Read: k5kc.com/cs/problems/nu… #coding #k5kc #cs #programming #java #python #leetcode #algorithms #BFS #DFS #graph #union-find

Pacific Atlantic Water Flow: Cells 💧➡️🇵 & 🇦? 📺 Watch now: youtube.com/watch?v=ZvCI0Z… 📜 Read: k5kc.com/cs/problems/pa… #coding #k5kc #computerscience #programming #java #python #leetcode #coding-challenge #algorithms #array #breadth-first-search #depth-first-search #matrix

Enjoying the moment with Skipper Vikas Sheoran and Expedition in charge Hemanth Kumar (⁦@hem_foxtrot⁩ ) …. We did it!!!

Graph Valid Tree: 🌳? 📺 Watch now: youtube.com/watch?v=1chWSc… 📜 Read: k5kc.com/cs/problems/gr… #coding #k5kc #computerscience #programming #java #python #leetcode #coding-challenge #algorithms #breadth-first-search #depth-first-search #graph #union-find

Course Schedule 1: Finish `numCourses`? 🎓 Some courses need prerequisites (e.g., take `B` before `A`). Can you complete all? ✅ / ❌ 📺 Watch now: youtube.com/watch?v=9V5EGP… 📜 Read: k5kc.com/cs/problems/co… #coding #k5kc #computerscience #programming

Clone Undirected Graph: 📋📊 📺 Watch now: youtube.com/watch?v=UnPCxe… 📜 Read: k5kc.com/cs/problems/cl… #coding #k5kc #computerscience #programming #java #python #leetcode #coding-challenge #algorithms #breadth-first-search #depth-first-search #graph #hash-table

Longest Consecutive Sequence: 🔢⬆️ 📺 Watch now: youtube.com/watch?v=TwOXQG… 📜 Read: k5kc.com/cs/problems/lo… #coding #k5kc #computerscience #programming #java #python #leetcode #coding-challenge #algorithms #array #hash-table #union-find

Longest Consecutive Sequence: 🔢⬆️ 📺 Watch now: youtube.com/watch?v=TwOXQG… 📜 Read: k5kc.com/cs/problems/lo… #coding #k5kc #computerscience #programming #java #python #leetcode #coding-challenge #algorithms #array #hash-table #union-find

Meeting Rooms II - Min number of rooms required 📺 Watch now: youtube.com/watch?v=odBaY0… 📜 Read: k5kc.com/cs/problems/me… #coding #k5kc #computerscience #programming #java #python #leetcode #coding-challenge #algorithms #array #greedy #heap-priority-queue #sorting #two-pointers