Thoughts of LeetCode Stage 1. Start

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Start points are Power of Two, strStr, Plus One, Climb Stairs, and Reverse Int.

Some thoughts about the special cases…

  1. special values: 0, 1, null
  2. special conditions: negative or positive
  3. boundary: +/- 1?
  4. overflow: use key word like Integer.MAX_VALUE / MIN_VALUE
  5. size incomparable: sub size larger than sup size

Some thoughts on program design:

  1. flag signals for condition control
  2. recursion
  3. dynamic programming
  4. bitwise or logical operation
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