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From brute force to optimal: leveling up like a Jedi

The Quest Begins (The "Why") I still remember the first time I tried to solve the “maximum subarray sum” problem on a coding interview.

  • Author recalls first encountering "maximum subarray sum" problem in coding interview
  • Transforms brute-force O(n³) solution to optimal O(n) Kadane's algorithm
  • Emphasizes running state mindset for efficient problem-solving in programming

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