2018年4月1日
九度oj-素数环
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(60) 评论(0) 推荐(0)
hdu-Square
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(36) 评论(0) 推荐(0)