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Day 65: Python Breadth-First Search (BFS) on Tree, Queue-Based Level-Order Traversal for Shortest Path and Layer Exploration

Day 65: Python Breadth-First Search (BFS) on Tree, Queue-Based Level-Order Traversal for Shortest Path and Layer Exploration

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2 min read
Is CsvPath an easy or hard language?

Is CsvPath an easy or hard language?

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16 min read
Day 64: Python Depth-First Search (DFS) on Tree, Stack-Based Iterative Traversal for Deep Exploration Without Recursion

Day 64: Python Depth-First Search (DFS) on Tree, Stack-Based Iterative Traversal for Deep Exploration Without Recursion

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2 min read
Day 63: Python Merge K Sorted Lists - O(n log k) Min-Heap Guide (LeetCode #23 Vibes)

Day 63: Python Merge K Sorted Lists - O(n log k) Min-Heap Guide (LeetCode #23 Vibes)

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3 min read
Stack and Queue — Kids' Toy Box Adventure!

Stack and Queue — Kids' Toy Box Adventure!

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2 min read
Trees and Binary Trees — Kids' Family Tree Fun!

Trees and Binary Trees — Kids' Family Tree Fun!

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2 min read
A two-dimensional array is like a big grid of boxes

A two-dimensional array is like a big grid of boxes

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1 min read
Day 62: Python Longest Subarray with Target Sum - O(n) Prefix Sum & HashMap Guide (LeetCode Vibes)

Day 62: Python Longest Subarray with Target Sum - O(n) Prefix Sum & HashMap Guide (LeetCode Vibes)

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3 min read
Why People Say “F*** LeetCode”: Difficulty, Fairness, Real-World Value — and a Better Way

Why People Say “F*** LeetCode”: Difficulty, Fairness, Real-World Value — and a Better Way

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7 min read
Day 59: Python Reverse Singly Linked List, Master the Iterative Pointer Flip Technique for O(n) Reversal

Day 59: Python Reverse Singly Linked List, Master the Iterative Pointer Flip Technique for O(n) Reversal

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3 min read
Day 61: Python Queue Using Two Stacks, Amortized O(1) Unbiased FIFO with Brilliant Double-Stack Flip Trick (No Deque Cheats!)

Day 61: Python Queue Using Two Stacks, Amortized O(1) Unbiased FIFO with Brilliant Double-Stack Flip Trick (No Deque Cheats!)

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3 min read
Day 60: Python Remove Nth Node From End of Linked List, Two-Pointer Magic to Delete in One Pass (LeetCode #19 Style)

Day 60: Python Remove Nth Node From End of Linked List, Two-Pointer Magic to Delete in One Pass (LeetCode #19 Style)

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3 min read
Is Solana Really Running Out of Memory?

Is Solana Really Running Out of Memory?

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4 min read
C# Lists & Dictionaries Mental Model — From `names.Add("Ana")` to LLM‑Ready Collections

C# Lists & Dictionaries Mental Model — From `names.Add("Ana")` to LLM‑Ready Collections

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14 min read
Kinship Code: How Family Trees Explain Data Structures

Kinship Code: How Family Trees Explain Data Structures

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2 min read
Next Permutation — Intuition, Explanation, and Clean Implementation

Next Permutation — Intuition, Explanation, and Clean Implementation

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3 min read
Database Schemas: Star Schema vs. Snowflake Schema and Choosing the Right Data Warehouse Design

Database Schemas: Star Schema vs. Snowflake Schema and Choosing the Right Data Warehouse Design

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5 min read
Implementing a Stack From Scratch

Implementing a Stack From Scratch

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3 min read
Day 2: Low Energy, Work Done Anyway

Day 2: Low Energy, Work Done Anyway

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1 min read
Line by Line, Finding Walls for Rendering in a BSP Tree

Line by Line, Finding Walls for Rendering in a BSP Tree

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5 min read
How Devscribe Simplified My Data Structure and Algorithm Practice — Devscribe

How Devscribe Simplified My Data Structure and Algorithm Practice — Devscribe

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2 min read
Subarray Problem Types

Subarray Problem Types

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3 min read
Episode 1: Arrays — The Hidden Logic Behind How Your Code Remembers

Episode 1: Arrays — The Hidden Logic Behind How Your Code Remembers

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6 min read
The DSA Toolkit: #1 Sliding Window Format

The DSA Toolkit: #1 Sliding Window Format

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2 min read
🎯 DSA Master Learning Plan - Pattern by Pattern

🎯 DSA Master Learning Plan - Pattern by Pattern

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13 min read
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