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Practice

Editorial Problems and Variations

⭐⭐⭐ advanced~90 min of coding2 challenges

Two editorial-tier problems (non-adjacent max revenue; zero-XOR segments), each with a hidden variation in the checkpoint lesson. Solve blind first; the editorials are in the lesson pages.

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What you will practice

  1. Editorial Problem 1: The Stalls⭐⭐⭐ advanced
  2. Editorial Problem 2: The Gates⭐⭐⭐ advanced

Need the concept first? Re-read the lesson.