走向全栈

DescriptionWord puzzles are usually simple and very entertaining for all ages. They are so entertaining that Pizza-Hut company started using table covers with word puzzles printed on them, possibly

DescriptionFarmer John has been elected mayor of his town! One of his campaign promises was to bring internet connectivity to all farms in the area. He needs your help, of course.Farmer John ord

数据结构可以选择用前向星的方式存储一个图。前向星的原理是：把图拆分为几个部分：1.用一个堆栈去存储节点的最后一个边；2用另一个堆栈存储节点的最后一个相关联的边；3用一个堆栈来存储2中的边指向的节点，例如 1a2   传参a 返回节点2.  下边是代码：struct graph{    typedef vector VI;    VI info,next,to;