摘要: 题目: A ring is compose of n circles as shown in diagram. Put natural number 1, 2, ..., n into each circle separately, and the sum o... 阅读全文
posted @ 2018-04-01 17:12 xzhws 阅读(54) 评论(0) 推荐(0) 编辑
摘要: Problem Description Given a set of sticks of various lengths, is it possible to join them end-to-end to form a square? Input The ... 阅读全文
posted @ 2018-04-01 17:03 xzhws 阅读(30) 评论(0) 推荐(0) 编辑