User talk:Xiaohuxie

Welcome!
Hello, Xiaohuxie, and welcome to Wikipedia! Thank you for your contributions. I hope you like the place and decide to stay. Here are some pages that you might find helpful: I hope you enjoy editing here and being a Wikipedian! Please sign your messages on talk pages using four tildes ( ~ ); this will automatically insert your username and the date. If you need help, check out Questions, ask me on my talk page, or ask your question on this page and then place  before the question. Again, welcome! —Ruud 16:43, 25 September 2012 (UTC)
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Knapsack problem
Your "correction" was incorrect. Note that the vi is the value of the ith item. —Ruud 16:43, 25 September 2012 (UTC)