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📰 Dev.to · Alex Mateo

4 articles · Updated every 3 hours · View all reads

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Every Backtracking Problem Is the Same Three Lines. I Just Couldn't See the Tree.
Dev.to · Alex Mateo ⚡ Algorithms & Data Structures ⚡ AI Lesson 4w ago
Every Backtracking Problem Is the Same Three Lines. I Just Couldn't See the Tree.
I avoided backtracking for an embarrassingly long time. I had solved maybe 200 problems and could do...
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The 7 Trigger Questions That Tell You Which Coding Pattern to Use
Dev.to · Alex Mateo ⚡ Algorithms & Data Structures ⚡ AI Lesson 1mo 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....
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Sliding Window & Two Pointers: The Decision Framework Nobody Teaches You
Dev.to · Alex Mateo ⚡ Algorithms & Data Structures ⚡ AI Lesson 2mo 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...
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Graph Algorithms for Coding Interviews: When to Use BFS, DFS, or Dijkstra
Dev.to · Alex Mateo ⚡ Algorithms & Data Structures ⚡ AI Lesson 3mo 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...
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