会写题解的一般都是自认为还蛮有意思或者蛮典型的题目,就比如这道题。 题目链接:Count of Small ...
题目: You are given an integer arraynumsand you have to return a newcountsarray. Thecountsarray has the property wherecounts i is the number of smaller elements to the right ofnums i . Example: Return t ...
2015-12-23 01:25 0 3568 推荐指数:
会写题解的一般都是自认为还蛮有意思或者蛮典型的题目,就比如这道题。 题目链接:Count of Small ...
of smaller elements to the right of nums[i]. Example: ...
题目: 分析:很显然不能用时间复杂度为O(N2)的暴力穷举法,下面先给出一个运行时间为102ms的AC答案: 上面的答案虽然AC了,但若原始海量数据本身是降序排列时,再 ...
Given the array nums, for each nums[i] find out how many numbers in the array are smaller than it. That is, for each nums[i] you have to count ...
链接 给定一个整数数组 nums,按要求返回一个新数组 counts。数组 counts 有该性质: counts[i] 的值是 nums[i] 右侧小于 nums[i] 的元素的数量。 ...
A self-dividing number is a number that is divisible by every digit it contains. For example, 128 is a self-dividing number because 128 ...
Given a non-negative integer n, count all numbers with unique digits, x, where 0 ≤ x < 10n. Example: Given n = 2, return 91. (The answer ...
苹果对编译器在不断优化,GCD方法中的block基本都不需要使用weakself,并不会造成循环引用。 dispatch_after官方文档中对block部分的说明: 一:使用self 从ViewControllerA push ...