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[并查集]LA 3644 X-Plosives
#include #include const int INF=0x3f3f3f3f;const int MAXN=1e5+10;int parent[MAXN];int findset(int a){ return parent[a]!=a ? parent[a] = find(parent[a]...
分类:其他好文   时间:2015-07-10 09:16:09    阅读次数:215
LeetCode——Consecutive Numbers
Description:Write a SQL query to find all numbers that appear at least three times consecutively.+----+-----+| Id | Num |+----+-----+| 1 | 1 || 2 ...
分类:其他好文   时间:2015-07-10 02:13:08    阅读次数:200
鸟哥Linux私房菜第七章习题难题解答
1.找出/etc下面,文件大小介于50KB到60KB之间的文件,并且将权限完整的列出答案为find/etc-size+50k-size-60k-execls-l{}\;或写成find/etc\(-size+50k-and-size-60k\)-execls-l{}\;也可以2.找出/etc下面,文件容量大于50KB且文件所有者不是root的文件名,且将权限完整列出答案为f..
分类:系统相关   时间:2015-07-10 00:32:31    阅读次数:596
1.Two Sum (Array; Divide-and-Conquer)
Given an array of integers, find two numbers such that they add up to a specific target number.The function twoSum should return indices of the two nu...
分类:其他好文   时间:2015-07-10 00:14:30    阅读次数:116
[LeetCode][Java] 4Sum
题目: Given an array S of n integers, are there elements a, b, c, and d in S such that a + b + c + d = target? Find all unique quadruplets in the array which gives the sum of target. Note: ...
分类:编程语言   时间:2015-07-09 22:43:08    阅读次数:135
LeetCode169:Majority Element
Given an array of size n, find the majority element. The majority element is the element that appears more than ? n/2 ? times.You may assume that the array is non-empty and the majority element always...
分类:其他好文   时间:2015-07-09 19:48:42    阅读次数:155
寻找失踪的整数数组(Find the missing integer)
排列a包含N分子,其元素属于[0,N]之间,且不存在反复的元素。请你找出数组中缺失的元素(由于[0,N]之间有N+1个元素。而数组仅仅能存储N个元素。所以必定缺少一个元素)。当中对数组的操作满足下列的条件:不能在常数时间内读取数组中的元素,可是可以读取数组中元素的某一个bit值。可以在常数时间内交换...
分类:编程语言   时间:2015-07-09 19:43:15    阅读次数:130
[leedcode 34] Search for a Range
Given a sorted array of integers, find the starting and ending position of a given target value.Your algorithm's runtime complexity must be in the ord...
分类:其他好文   时间:2015-07-09 19:23:39    阅读次数:96
Something write in FSE 2014
Now, I find a problem, I have become my personal CSDN into a personal electronic diary. Actually, this idea is inspired by Felienne, in the past, I mi...
分类:其他好文   时间:2015-07-09 19:20:32    阅读次数:122
[转] Linux Shell 文本处理工具集锦
内容目录:find 文件查找grep 文本搜索xargs 命令行参数转换sort 排序uniq 消除重复行用tr进行转换cut 按列切分文本paste 按列拼接文本wc 统计行和字符的工具sed 文本替换利器awk 数据流处理工具迭代文件中的行、单词和字符本文将介绍Linux下使用Shell处理文本...
分类:系统相关   时间:2015-07-09 19:15:35    阅读次数:178
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