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poj--3086
escriptionThenthTriangularnumber,T(n) = 1 + … +n, is the sum of the firstnintegers. It is the number of points in a triangular array withnpoints on si...
分类:其他好文   时间:2014-05-19 19:50:24    阅读次数:191
Leetcode | Combination Sum I && II
Combination Sum IGiven a set of candidate numbers (C) and a target number (T), find all unique combinations in C where the candidate numbers sums to T...
分类:其他好文   时间:2014-05-19 16:41:14    阅读次数:269
Linux中变量$#,$@,$0,$1,$2,$*,$$,$?的含义
我们先写一个简单的脚本,执行以后再解释各个变量的意义# touch variable# vi variable脚本内容如下:#!/bin/shecho "number:$#"echo "scname:$0"echo "first :$1"echo "second:$2"echo "argume:$@...
分类:系统相关   时间:2014-05-19 16:17:05    阅读次数:398
LeetCode 016 3Sum Closest
【题目】 Given an array S of n integers, find three integers in S such that the sum is closest to a given number, target. Return the sum of the three integers. You may assume that each input would have exactly one solution. For example, given array S = {...
分类:其他好文   时间:2014-05-18 10:37:57    阅读次数:269
leetcode -day16 ZigZag Conversion
1、 ?? ZigZag Conversion The string "PAYPALISHIRING" is written in a zigzag pattern on a given number of rows like this: (you may want to display this pattern in a fixed font for better legibili...
分类:其他好文   时间:2014-05-18 07:56:49    阅读次数:407
LeetCode: Letter Combinations of a Phone Number [018]
【题目】 Given a digit string, return all possible letter combinations that the number could represent. A mapping of digit to letters (just like on the telephone buttons) is given below. Input:Digit string "23" Output: ["ad", "ae", "af", "bd", "be", "bf",...
分类:其他好文   时间:2014-05-18 07:30:12    阅读次数:340
SQL 存储过程 分页
-- ============================================= -- Author: *** -- Create date: 2014-03-27 20:00 -- Description: 采用最新的 row_number() over 技术高...
分类:数据库   时间:2014-05-18 06:21:24    阅读次数:317
《你必须知道的495个C语言问题》笔记--库函数
怎样把数字转为字符串(与atoi相反)?有itoa函数吗? 用sprintf就可以了: sprintf(string, "%d", number);同理,也可以同sprintf把long型或浮点型转换成字符串(使用%ld或%f),也就是说,可以把sprintf看成是atol或者atof的 反函数。 怎样在日期上加n天?怎样取得两个日期的时间间隔? 第一个问题,mktime接受没有...
分类:编程语言   时间:2014-05-18 06:20:21    阅读次数:356
[LeetCode]3Sum Closest
3SumClosest Given an array S of n integers, find three integers in S such that the sum is closest to a given number, target. Return the sum of the three integers. You may assume that each input would have exactly one solution....
分类:其他好文   时间:2014-05-18 05:57:48    阅读次数:244
HDU-3652-B-number
B-number Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 2168    Accepted Submission(s): 1165 Problem Description A wqb-number, or ...
分类:其他好文   时间:2014-05-18 03:32:19    阅读次数:240
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