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[LeetCode] 3Sum
Given an array S of n integers, are there elements a, b, c in S such that a + b + c = 0? Find all uniquetriplets in the array which gives the sum of z...
分类:其他好文   时间:2014-06-29 00:21:06    阅读次数:237
Leetcode:Combination Sum 子集和问题
Combination Sum:Given a set of candidate numbers (C) and a target number (T), find all unique combinations inCwhere the candidate numbers sums toT.The...
分类:其他好文   时间:2014-06-28 22:48:01    阅读次数:256
ACM——A + B Problem (4)
A + B Problem (4)时间限制(普通/Java):1000MS/3000MS 运行内存限制:65536KByte总提交:2496 测试通过:1249描述Calculate the sum of some integers.输入The input will consist...
分类:其他好文   时间:2014-06-18 13:58:31    阅读次数:187
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:其他好文   时间:2014-06-18 12:17:57    阅读次数:179
Two Sum
题目 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 numbers such that they add up to the...
分类:其他好文   时间:2014-06-18 12:05:44    阅读次数:244
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 ...
分类:其他好文   时间:2014-06-17 22:39:41    阅读次数:274
3Sum
题目 Given an array S of n integers, are there elements a, b, c in S such that a + b + c = 0? Find all unique triplets in the array which gives the sum of zero. Note: Elements in a tr...
分类:其他好文   时间:2014-06-17 22:04:49    阅读次数:292
【足迹C++primer】31、初识泛型算法
初识泛型算法 理解算法的最基本方法是了解他们是否读取元素、改变元素或是重排元素顺序! 只读算法 #include #include using namespace std; //对vec中的元素求和,初值是0 int sum=accumulate(vec.cbegin(), vec.cend(), 0); 这里面第三个参数决定了函数使用哪个加法运算符以及返回值类型。 ...
分类:编程语言   时间:2014-06-17 19:12:26    阅读次数:261
shell使用for循环完成100以内累加
#100以内整数和 #!/bin/sh declare-iSUM=0 for((i=1;i<=100;i+=1)) do letSUM+=$i done echo$SUM #!/bin/sh declare-iSUM=0 foriin{1..100} do letSUM+=$i done echo$SUM #100以内偶数和 #!/bin/sh declare-iSUM=0 for((i=2;i<=100;i+=2)) do letSUM+=$i done echo$SUM..
分类:其他好文   时间:2014-06-17 17:46:32    阅读次数:232
C#中 decimal 的四舍五入
当:decimal sum = 123456.784M;sum = decimal.Round(sum, 2 , MidpointRounding.AwayFromZero);sum的值为:123456.78当:decimal sum = 123456.785M;sum = decimal.Roun...
分类:其他好文   时间:2014-06-17 15:35:57    阅读次数:184
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