将判断输出orz的条件改为最小生成树的边数是否等于节点数减1，是输出ans,不是输出orz
by gotocspandbetter @ 2024-02-19 22:47:44
@[huangshuyuan2010](/user/1104901)
by gotocspandbetter @ 2024-02-19 22:48:07
一张图要连通，则至少需要n-1条边
by gotocspandbetter @ 2024-02-19 22:51:29
@[gotocspandbetter](/user/1041003)
谢谢大神
by hsy20101122 @ 2024-02-20 13:39:20