求助!!!

P3366 【模板】最小生成树

https://www.luogu.org/record/25980964 RE+WA
by 决心少年 @ 2019-10-30 17:33:34


@[秦时明月zqy](/space/show?uid=215603) ``` int he(int x,int y)//把xy两个点合并,在一个集合(树) { int a=getfa(x); int b=getfa(y); if(a==b) return 0;//改这里 fu[b]=a; return 1; } ```
by getchar123 @ 2019-10-30 17:36:34


@[getchar123](/space/show?uid=102754) return 后再?
by 决心少年 @ 2019-10-31 13:03:18


另外,RE怎么优化?
by 决心少年 @ 2019-10-31 13:09:25


@[秦时明月zqy](/space/show?uid=215603) 数组开小了
by Qllllll @ 2019-10-31 13:41:21


@[Qllllll](/space/show?uid=210311) https://www.luogu.org/record/26065723 还是RE
by 决心少年 @ 2019-10-31 22:22:19


@[秦时明月zqy](/space/show?uid=215603) 5000个点 20W条边 你开小了...
by Qllllll @ 2019-11-01 12:39:36


@[Qllllll](/space/show?uid=210311) ~~你看我源代码了吗?~~ 我改了呀? https://www.luogu.org/record/26065723
by 决心少年 @ 2019-11-01 13:04:11


@[秦时明月zqy](/space/show?uid=215603) 头文件下面那个数组难道不是只开了1000吗
by Qllllll @ 2019-11-01 13:08:51


@[Qllllll](/space/show?uid=210311) 尴尬。。。
by 决心少年 @ 2019-11-01 13:12:06


| 下一页