LintCode 1534 · Convert Binary Search Tree to Sorted Doubly Linked List (二叉树转双链表好题)
1534·ConvertBinarySearchTreetoSortedDoublyLinkedListAlgorithmsMediumDescriptionConvertaBSTtoasortedcirculardoubly-linkedlistin-place.Thinkoftheleftandrightpointersassynonymoustothepreviousandnextpoint