📰 Dev.to · Alex Mateo

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The 7 Trigger Questions That Tell You Which Coding Pattern to Use

Dev.to · Alex Mateo 4d ago

The 7 Trigger Questions That Tell You Which Coding Pattern to Use

Most developers preparing for coding interviews learn the patterns. Sliding window. Two pointers....

Why Dynamic Programming Feels Impossible (And the 5 Patterns That Fix It)

Dev.to · Alex Mateo 1w ago

Why Dynamic Programming Feels Impossible (And the 5 Patterns That Fix It)

Most people who struggle with DP aren't struggling with the concept. They're struggling with a...

Sliding Window & Two Pointers: The Decision Framework Nobody Teaches You

Dev.to · Alex Mateo ⚡ Algorithms & Data Structures ⚡ AI Lesson 1mo ago

Sliding Window & Two Pointers: The Decision Framework Nobody Teaches You

Most people learn sliding window and two pointers as two separate techniques, practice them in...

Graph Algorithms for Coding Interviews: When to Use BFS, DFS, or Dijkstra

Dev.to · Alex Mateo 1mo ago

Graph Algorithms for Coding Interviews: When to Use BFS, DFS, or Dijkstra

Graphs are the most feared topic in coding interviews — not because they're impossible, but because...

Why LeetCode is So Hard — and Why Grinding More Problems Won't Help

Dev.to · Alex Mateo ⚡ AI Lesson 1mo ago

Why LeetCode is So Hard — and Why Grinding More Problems Won't Help

Here's why grinding leads to memorization, not understanding, and what to do instead. You've solved...