HDU 3938 Portal(离线+Kruskal+并查集)
HDU 3938 Portal(离线+Kruskal+并查集)2014-10-25 csdn shuangde800链接:http://acm.hdu.edu.cn/showproblem.php?pid=3938题目:Problem DescriptionZLGG found a magic theory that the bigger banana the bigger banana peel .This important theory can he...