摘要: Group Problem Description There are n men ,every man has an ID(1..n).their ID is unique. Whose ID is i and i 1 are friends, Whose ID is i and i+1 are 阅读全文
posted @ 2018-07-20 19:55 ComplexPug 阅读(174) 评论(0) 推荐(0) 编辑