2017年9月22日
hihocoder 1387 A Research on "The Hundred Family Surnames"(树，lca，求同一颜色的直径)
摘要： "题目链接" 描述 The Hundred Family Surnames is a classic Chinese text composed of common Chinese surnames. The book was composed in the early Song Dynasty. 阅读全文
posted @ 2017-09-22 13:21 tarjan's 阅读(157) 评论(0) 推荐(0) 编辑