EB1a I-140 is approved after NOID response# Immigration - 落地生根
w*3
1 楼
Binary tree,populate a next point in each node
http://www.careercup.com/question?id=8714942
用queue的应该很简单,
但要求no queue/no stack/O(n)
觉得因该是个递归,
但是弄了半天没弄出来
any idea?
http://www.careercup.com/question?id=8714942
用queue的应该很简单,
但要求no queue/no stack/O(n)
觉得因该是个递归,
但是弄了半天没弄出来
any idea?