摘要： Weed Problem Description Andrew has visited his garden for the last time many years ago. Today's property taxes are so high, so Andrew decided to sell 阅读全文

摘要： Sum It Up Problem Description Given a specified total t and a list of n integers, find all distinct sums using numbers from the list that add up to t. 阅读全文

摘要： Additive equations Problem Description We all understand that an integer set is a collection of distinct integers. Now the question is: given an integ 阅读全文