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by Igallta @ 2024-01-18 09:13:17
似乎kth错了，但哪里错了呢？
by Enoch006 @ 2024-01-18 09:47:35
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by yuhaoyang09 @ 2024-01-18 09:49:35
糟了不会while怎么办，while里面没有！wssb
by Enoch006 @ 2024-01-18 09:50:40
@[Enoch006](/user/538683) 提供一个没有while的kth
```cpp
int gr(int p,int k){
if(a[a[p].l].siz+1==k) return p;
if(k<=a[a[p].l].siz) return gr(a[p].l,k);
return gr(a[p].r,k-(a[a[p].l].siz+1));
}
```
by D_C_Z @ 2024-01-18 14:27:34
递归 is more fun
by D_C_Z @ 2024-01-18 14:28:16
@[D_C_Z](/user/652972) 非常的感谢只是我心血来潮不想写递归qwq
by Enoch006 @ 2024-01-18 14:31:31