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Practice

Timed set: against the clock

⭐⭐⭐ advanced~40 min of coding3 challenges

A 3-minute core, a 6-minute method, and a 15-minute class — log every phase.

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What you will practice

  1. Timed (3 min): parallel-filter count⭐⭐ intermediate
  2. Timed (6 min): two-pass method⭐⭐⭐ advanced
  3. Timed (15 min): full class⭐⭐⭐ advanced

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