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[LeetCode] 357. Count Numbers with Unique Digits
Given a non-negative integer n, count all numbers with unique digits, x, where 0 ≤ x < 10n. Example: Input: 2 Output: 91 Explanation: The answer shoul ...
分类:其他好文   时间:2018-09-25 01:31:19    阅读次数:174
【leetcode】2. Add Two Numbers
You are given two non-empty linked lists representing two non-negative integers. The digits are stored in reverse order and each of their nodes contai ...
分类:其他好文   时间:2018-09-22 10:32:40    阅读次数:133
184.Rotate Array
题目: Given an array, rotate the array to the right by k steps, where k is non-negative. 给定一个数组,将数组向右旋转k步,其中k为非负数。 Example 1: Example 2: Note: Try to co ...
分类:其他好文   时间:2018-09-21 10:58:33    阅读次数:158
[LeetCode] 61. Rotate List 旋转链表
Given a linked list, rotate the list to the right by k places, where k is non-negative. Example 1: Example 2: 与189. Rotate Array 类似,但链表不能通过index来访问,要一 ...
分类:其他好文   时间:2018-09-21 10:56:37    阅读次数:161
84. Largest Rectangle in Histogram
84. Largest Rectangle in Histogram https://www.youtube.com/watch?v=KkJrGxuQtYo&t=129s Given n non-negative integers representing the histogram's bar h... ...
分类:其他好文   时间:2018-09-20 18:49:24    阅读次数:134
[LeetCode] 89. Gray Code 格雷码
The gray code is a binary numeral system where two successive values differ in only one bit. Given a non-negative integer n representing the total num ...
分类:其他好文   时间:2018-09-20 11:08:46    阅读次数:177
[leetcode][55] Jump Game
55. Jump Game Given an array of non negative integers, you are initially positioned at the first index of the array. Each element in the array represe ...
分类:其他好文   时间:2018-09-19 21:42:23    阅读次数:152
压缩感知
一、什么是压缩感知(CS)? compressed sensing又称compressed sampling,CS是一个针对信号采样的技术,它通过一些手段,实现了“压缩的采样”,准确说是在采样过程中完成了数据压缩的过程。 因此我们首先要从信号采样讲起: 1. 我们知道,将模拟信号转换为计算机能够处理 ...
分类:其他好文   时间:2018-09-16 15:42:52    阅读次数:182
[LeetCode&Python] Problem 905: Sort Array By Parity
Given an array A of non-negative integers, return an array consisting of all the even elements of A, followed by all the odd elements of A. You may re ...
分类:编程语言   时间:2018-09-16 15:28:45    阅读次数:272
Leetcode 2. Add Two Numbers
题目链接 https://leetcode.com/problems/add two numbers/description/ 题目描述 You are given two non empty linked lists representing two non negative integers. ...
分类:其他好文   时间:2018-09-13 14:25:06    阅读次数:186
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