档案日期2017的31

LeetCode Weekly Contest 44是LeetCode举办的第四十九场正式周赛，共4道题目，比赛时长1.5小时。

比赛链接：https://leetcode.com/contest/leetcode-weekly-contest-44/

题解列表：

LeetCode 653. Two Sum IV - Input is a BST

LeetCode 654. Maximum Binary Tree

LeetCode 655. Print Binary Tree

LeetCode 656. Coin Path

题目描述：

LeetCode 656. Coin Path

Given an array A (index starts at 1) consisting of N integers: A₁, A₂, ..., A_N and an integer B. The integer B denotes that from any place (suppose the index is i ...

题目描述：

LeetCode 655. Print Binary Tree

Print a binary tree in an m*n 2D string array following these rules:

1. The row number m should be equal to the height of the given binary tree.
2. The column number n should ...

题目描述：

LeetCode 654. Maximum Binary Tree

Given an integer array with no duplicates. A maximum tree building on this array is defined as follow:

1. The root is the maximum number in the array.
2. The left subtree is the maximum tree ...

题目描述：

LeetCode 653. Two Sum IV - Input is a BST

Given a Binary Search Tree and a target number, return true if there exist two elements in the BST such that their sum is equal to the given target.

Example ...