为什么要用map呢……数组不是蛮好的
by D10s @ 2017-11-29 19:59:06
@[D10s](/space/show?uid=33426) 我在想能不能用一种骚操作避免掉最开始的 fa[i]=i;······
by Dog_Two @ 2017-12-01 22:05:45
```
class node{
public:
node*father;
node()
{
father=this;
}
node*find();
node*link(node*);
}
```
by 密期望 @ 2018-02-11 21:30:06
完了,差了个分号
by 密期望 @ 2018-02-11 21:30:36