摘要: Examples input Copy 31 21 3 output Copy 0 input Copy 51 22 33 44 5 output Copy 2 Note Tree definition: https://en.wikipedia.org/wiki/Tree_(graph_theor 阅读全文
posted @ 2020-04-18 23:35 AlexLIN· 阅读(204) 评论(0) 推荐(0)
摘要: You are given n magical numbers a 1, a 2, ..., a n, such that the length of each of these numbers is 20 digits. You can move from the i th number to t 阅读全文
posted @ 2020-04-18 16:34 AlexLIN· 阅读(170) 评论(0) 推荐(0)