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Practice

Combination Drill — Five Fusions

⭐⭐⭐ advanced~100 min of coding5 challenges

Five problems, each needing two tools fused. Topic names withheld; the wrong solutions are the single-tool answers.

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What you will practice

  1. Spreading the Stations⭐⭐⭐ advanced
  2. Twice As Small⭐⭐⭐ advanced
  3. Provinces Under Construction⭐⭐⭐ advanced
  4. Even Number of Tolls⭐⭐⭐ advanced
  5. Coin Corridors⭐⭐⭐ advanced

Need the concept first? Re-read the lesson.