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插入排序 Insertion Sort
插入排序(Insertion Sort)是一种简单直观的排序算法。它的工作原理是通过构建有序序列,对于未排序数据,在已排序序列中从后向前扫描,找到相应位置并插入。插入排序在实现上,通常采用in-place排序(即只需用到O(1)的额外空间的排序),因而在从后向前扫描过程中,需要反复把已排序元素逐步向...
分类:编程语言   时间:2015-01-26 14:59:48    阅读次数:186
Swift 学习 --- 基础<二>
// Playground - noun: a place where people can playimport UIKitvar str = "Hello, playground"//------------------------- 类和结构体的相同与不同 ------------------...
分类:编程语言   时间:2015-01-26 01:18:10    阅读次数:291
Swift 学习 --- 基础<一>
// Playground - noun: a place where people can playimport UIKitvar str = "Hello, playground"print("A"); print("A") // 如果同一行有有段代码用 ';'隔开// 默认自带换行符print...
分类:编程语言   时间:2015-01-26 01:11:52    阅读次数:197
leetcode 27. Remove Element
Given an array and a value, remove all instances of that value in place and return the new length.The order of elements can be changed. It doesn't mat...
分类:其他好文   时间:2015-01-25 22:33:24    阅读次数:150
leetcode 【 Set Matrix Zeroes 】python 实现
题目:Given amxnmatrix, if an element is 0, set its entire row and column to 0. Do it in place.click to show follow up.Follow up:Did you use extra space?...
分类:编程语言   时间:2015-01-24 21:12:54    阅读次数:192
Flatten Binary Tree to Linked List (DFS)
Given a binary tree, flatten it to a linked list in-place.For example,Given 1 / \ 2 5 / \ \ 3 4 6The flattened t...
分类:其他好文   时间:2015-01-23 21:17:22    阅读次数:252
Reverse Linked List II
Reverse a linked list from positionmton. Do it in-place and in one-pass.For example:Given1->2->3->4->5->NULL,m= 2 andn= 4,return1->4->3->2->5->NULL.No...
分类:其他好文   时间:2015-01-22 19:42:54    阅读次数:112
Flatten Binary Tree to Linked List
随笔一记,留做重温!Flatten Binary Tree to Linked ListGiven a binary tree, flatten it to a linked list in-place. For example,Given 1 / \ 2 ...
分类:其他好文   时间:2015-01-22 19:38:34    阅读次数:219
LeetCode-Set Matrix Zeroes
题目链接:https://oj.leetcode.com/problems/set-matrix-zeroes/ 题目内容: Given a m x n matrix, if an element is 0, set its entire row and column to 0. Do it in place. click to show follow up. Follow u...
分类:其他好文   时间:2015-01-22 09:32:37    阅读次数:193
LeetCode Rotate Image
You are given annxn2D matrix representing an image.Rotate the image by 90 degrees (clockwise).Follow up:Could you do this in-place?可以找规律 得出映射关系,(i,j)=...
分类:其他好文   时间:2015-01-21 23:52:48    阅读次数:133
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