lxfHaHaHa的博客

题目: Squares of a Sorted Array 英文： Given an array of integers A sorted in non-decreasing order, return an array of the squares of each number, also in sorted non-decreasing order. Example 1: Input: [-4,-1,0,3,10] Output: [0,1,9,16,100] Example 2: Input: [-

题目: Find Numbers with Even Number of Digits 英文： Given an array nums of integers, return how many of them contain an even number of digits. Example 1: Input: nums = [12,345,2,6,7896] Output: 2 Explanation: 12 contains 2 digits (even number of digits). 345

题目: Max Consecutive Ones Given a binary array, find the maximum number of consecutive 1s in this array. 给定一个二进制数组，求出该数组中连续1的最大个数。 Example 1: Input: [1,1,0,1,1,1] Output: 3 Explanation: The first two digits or the last three digits are consecutive 1s. T