标签归档：leetcode

题目描述：

LeetCode 667. Beautiful Arrangement II

Given two integers n and k, you need to construct a list which contains n different positive integers ranging from 1 to n and obeys the following requirement:
Suppose this list is [a_{1 ...}

题目描述：

LeetCode 666. Path Sum IV

If the depth of a tree is smaller than 5, then this tree can be represented by a list of three-digits integers.

For each integer in this list:

1. The hundreds digit represents the depth ...

题目描述：

LeetCode 665. Non-decreasing Array

Given an array with n integers, your task is to check if it could become non-decreasing by modifying at most 1 element.

We define an array is non-decreasing if array[i] <= array[i + 1 ...

LeetCode Weekly Contest 46是LeetCode举办的第五十一场正式周赛，共4道题目，比赛时长1.5小时。

比赛链接：https://leetcode.com/contest/leetcode-weekly-contest-46/

题解列表：

LeetCode 661. Image Smoother

LeetCode 662. Maximum Width of Binary Tree

LeetCode 663. Equal Tree Partition

LeetCode 664. Strange Printer

题目描述：

LeetCode 664. Strange Printer

There is a strange printer with the following two special requirements:

1. The printer can only print a sequence of the same character each time.
2. At each turn, the printer can print new characters starting from ...