分类： 算法-数据结构

A game of numbers has the following rules: at the begin…

A safari park（家养动物园）has K species of animals, and is di…

The above picture is from Sina Weibo, showing May 23rd,…

Dijkstra’s algorithm is one of the very famous greedy a…

Given a syntax tree (binary), you are supposed to outpu…

Given two singly linked lists L​1​​=$a​_1$​​→$a​_2$→⋯→$…

“Forever number” is a positive integer A with K digits,…

A Cartesian tree is a binary tree constructed from a se…

A summit (峰会) is a meeting of heads of state or governm…

Given a singly linked list L. Let us consider every K n…