摘要:
https://icpcarchive.ecs.baylor.edu/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=5091题目大意:n个人编号从1到n,m条关系,a找b帮忙或b找a帮忙需要花费c元,当然a可以... 阅读全文
摘要:
http://acm.hdu.edu.cn/showproblem.php?pid=4815DescriptionA crowd of little animals is visiting a mysterious laboratory � The Deep Lab of SYSU.“Are you... 阅读全文