摘要:
1 #define NULL 0 2 3 class Solution { 4 public: 5 void reorderList(ListNode *head) { 6 stack s; 7 ListNode* ptr1,*ptr2,*tmp; 8 ... 阅读全文
摘要:
#define NULL 0class Solution {public: vector preorderTraversal(TreeNode *root) { stack s; vector v1; if(root!=NULL) s.p... 阅读全文