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Practice

Flow lab

⭐⭐ intermediate~55 min of coding5 challenges

Ties, sentinels, alternating sums, fenceposts, and absence handling.

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What you will practice

  1. Longest with earliest tie⭐⭐ intermediate
  2. Between first and last⭐⭐ intermediate
  3. Fix the alternating sum⭐⭐ intermediate
  4. Fix the fencepost⭐⭐ intermediate
  5. Min positive with absence⭐⭐ intermediate

Need the concept first? Re-read the lesson.