• OnesZeroes.java (2009 September 15)
• Percentile.java (2009 September 29)
• UnitFractionA.java (2009 October 20)
  • Javadoc for NormalDistributionImpl
  • Library (jar) for NormalDistributionImpl available here
• UnitFractionB.java (2009 October 20)
• Withdrawal.java (2009 October 20)
• TitleURL.java (2009 October 27)
• SumUp.java (2009 October 27)
• SameSetOfWords.java (2009 November 10)
• IxNay
  • IxNayA.java (2009 November 17)
  • IxNayB.java (2009 November 17)
  • IxNayC.java (2009 November 17)
• Stocks.java (2009 November 17)
• SecureRoomA.java (2009 December 1)
  • entries.txt
• SecureRoomB.java (2009 December 8)
• Database.java (2009 December 8)