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Practice

Attack Pattern Drills

⭐⭐⭐ advanced~90 min of coding5 challenges

Five original drills: multi-query MITM, periodic XOR, constructive permutation, modular pairing count, and guess-check ladders.

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What you will practice

  1. Many Subset-Sum Queries⭐⭐⭐ advanced
  2. XOR Over a Range⭐⭐⭐ advanced
  3. Deranged and Non-Adjacent⭐⭐⭐ advanced
  4. Pairs Divisible by Seven⭐⭐⭐ advanced
  5. Ladders Over the Sum⭐⭐⭐ advanced

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