刚刚接触swift以及ios,不是很理解有的逻辑,导致某些问题.这里分享一下swift自定义uicollectionviewcell 首先我的viewcontroller不是直接继承uicollectionviewcontroller,而是添加的uicollectionview到我的storyboard, 然后再新建一个swift的文件,让这个swift继承uicollectionviewcell import Foundation class SVGCell :UICollectionView
Given an unsorted array, find the maximum difference between the successive elements in its sorted form. Return 0 if the array contains less than 2 elements. Example 1: Input: [3,6,9,1] Output: 3 Explanation: The sorted form of the array is [1,3,6,9]
Given a positive integer N, find and return the longest distance between two consecutive 1's in the binary representation of N. If there aren't two consecutive 1's, return 0. Example 1: Input: 22 Output: 2 Explanation: 22 in binary is 0b10110. In the