Exam Rank 03 42 //top\\ Direct

Based on the title provided, this appears to be a reference to the Circle 03 (Intermediary) Exam at École 42 (often referred to as "42"). Specifically, students looking for "Exam Rank 03" are usually preparing for the transition from the Piscine (bootcamp) to the curriculum, or moving up the first ranks of the projects.

This exam is typically taken after completing the Common Core and before Rank 04. It focuses on micro-shell programming and UNIX process management. Exam Rank 03 42

⚠️ Common Mistakes to Avoid

  • ❌ Forgetting to check fgets return value
  • ❌ Using int instead of float for coordinates
  • ❌ Printing border condition wrong (off-by-one in empty shapes)
  • ❌ Not handling negative coordinates (they are possible, just skip)
  • ❌ Forgetting to free canvas on error path
  • ❌ Using printf for errors (must use write or perror? No — subject allows printf but better stick to write for exact match)

✅ Micro-Paint (rectangles)

Drawing rules:

  • r → empty rectangle: only border pixels drawn
  • R → filled rectangle: all inside pixels drawn
  • Border condition:
    Pixel belongs to border if:

    , which involve reading an "operation file" and using double pointers to render shapes (circles or rectangles) in the terminal. Level 2 (Advanced Logic): Based on the title provided, this appears to