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查询Tags标签： preL，共有 8条记录-
java实现根据先序遍历和中序遍历结果复原二叉树（剑指offer）
思路前序遍历序列为根左右顺序，中序遍历序列为左根右。首先根据前序遍历序列确定根节点，然后在中序遍历序列寻找根节点位置，考虑到当前序列在中序遍历序列的开始位置从而在中序遍历序列中能够确定左子树的长度。 依据左子树长度以及当前序列在前序遍历序列的开始位置，…
2021/11/22 17:10:11 人评论 次浏览 -
java实现根据先序遍历和中序遍历结果复原二叉树（剑指offer）
思路前序遍历序列为根左右顺序，中序遍历序列为左根右。首先根据前序遍历序列确定根节点，然后在中序遍历序列寻找根节点位置，考虑到当前序列在中序遍历序列的开始位置从而在中序遍历序列中能够确定左子树的长度。 依据左子树长度以及当前序列在前序遍历序列的开始位置，…
2021/11/22 17:10:11 人评论 次浏览 -
树
树 建树 题目详情 (pintia.cn) #include<iostream> #include<cstdio> #include<cstdlib> #include<set> #include<vector> #define rep(i,x,y) if ((x)<=(y)) for (register int i=(x);i<=(y);i++) using namespace std; struct node…
2021/9/5 23:10:08 人评论 次浏览 -
树
树 建树 题目详情 (pintia.cn) #include<iostream> #include<cstdio> #include<cstdlib> #include<set> #include<vector> #define rep(i,x,y) if ((x)<=(y)) for (register int i=(x);i<=(y);i++) using namespace std; struct node…
2021/9/5 23:10:08 人评论 次浏览 -
PAT (Advanced Level) Practice 1119 Pre- and Post-order Traversals (30 分) 凌宸1642
PAT (Advanced Level) Practice 1119 Pre- and Post-order Traversals (30 分) 凌宸1642 题目描述： Suppose that all the keys in a binary tree are distinct positive integers. A unique binary tree can be determined by a given pair of postorder and inorder …
2021/8/26 6:07:36 人评论 次浏览 -
PAT (Advanced Level) Practice 1119 Pre- and Post-order Traversals (30 分) 凌宸1642
PAT (Advanced Level) Practice 1119 Pre- and Post-order Traversals (30 分) 凌宸1642 题目描述： Suppose that all the keys in a binary tree are distinct positive integers. A unique binary tree can be determined by a given pair of postorder and inorder …
2021/8/26 6:07:36 人评论 次浏览 -
PAT (Advanced Level) Practice 1138 Postorder Traversal (25 分) 凌宸1642
PAT (Advanced Level) Practice 1138 Postorder Traversal (25 分) 凌宸1642 题目描述： Suppose that all the keys in a binary tree are distinct positive integers. Given the preorder and inorder traversal sequences, you are supposed to output the first nu…
2021/8/17 6:08:22 人评论 次浏览 -
PAT (Advanced Level) Practice 1138 Postorder Traversal (25 分) 凌宸1642
PAT (Advanced Level) Practice 1138 Postorder Traversal (25 分) 凌宸1642 题目描述： Suppose that all the keys in a binary tree are distinct positive integers. Given the preorder and inorder traversal sequences, you are supposed to output the first nu…
2021/8/17 6:08:22 人评论 次浏览
