# 归档 2017年8月6日

## LeetCode Weekly Contest 44解题报告 作者是 在线疯狂 发布于 2017年8月6日 在 LeetCode.

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。

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, ..., AN 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 ...