Description
Read more -->There are n pearls in a row. Let’s enumerate them with integers from 1 to n from the left to the right. The pearl number i has the type ai.
Description
Read more -->Xiao Ming and Xiao Bao are playing a simple Numbers game. In a round Xiao Ming can choose to write down a number, or ask Xiao Bao what the kth great number is. Because the number written by Xiao Ming is too much, Xiao Bao is feeling giddy. Now, try to help Xiao Bao.
Description
Read more -->大家都知道小宇是一个很纯洁的小孩！有一天他做梦了，梦见好多MM排着队随他挑。这些MM来自不同的国家，但也有同一个国家的，而他想尽量认识不同国家的MM。因此小宇想知道他可以认识到不同国家的MM区间长度的最大值，并且小宇想知道共有多少个国家的MM供他选择。
题目来了：
Description
Read more -->You are trapped in a 3D dungeon and need to find the quickest way out! The dungeon is composed of unit cubes which may or may not be filled with rock. It takes one minute to move one unit north, south, east, west, up or down. You cannot move diagonally and the maze is surrounded by solid rock on all sides.
Is an escape possible? If yes, how long will it take?
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tags:
- DP——————————————
- FE——————————————
- Vue—————————————-
- NodeJS——————————-
- Web API——————————
- JavaScript—————————
- 优化————————————-
- 图论—————————————
- 简单搜索——————————-
- 字符串———————————-
- 技巧————————————-
- 数据结构—————————-
- 数论—————————————
- 网络流———————————-
- 二分图———————————-
- 最小生成树—————————
- 最短路———————————-
- 组合数学———————————
- 计算几何———————————
- 连通图———————————-
- 基本算法——————————
- 函数—————————————
- 其他语言——————————