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每日算法之三十一:Combination Sum
给定一个整数序列,求解一个子序列,子序列之和等于给定目标值。子序列满足以下条件: 1)子序列是有序的 2)子序列的元素个数不限,可以是给定元素的重复元素。 3)结果中的子序列是唯一的 原题描述如下: Given a set of candidate numbers (C) and a target number (T), find all unique combinations ...
分类:其他好文   时间:2014-06-11 06:26:03    阅读次数:302
一入python深似海--while-loop与for-loop
while loops 定义与实例 i = 0 numbers = [] while i < 6: print "At the top i is %d" % i numbers.append(i) i = i + 1 print "Numbers now: ", numbers print "At the bottom i is %d" % ...
分类:编程语言   时间:2014-06-11 00:59:17    阅读次数:410
LeetCode——
Add Two Numbers You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single digit. Add the two...
分类:其他好文   时间:2014-06-11 00:35:15    阅读次数:243
ACdream群赛1112(Alice and Bob)
题意:http://acdream.info/problem?pid=1112 Problem Description Here  is Alice and Bob again ! Alice and Bob are playing a game. There are several numbers.First, Alice choose a number n.Then he c...
分类:其他好文   时间:2014-06-10 14:48:56    阅读次数:236
用程序读取CSV文件的方法
CSV全称 Comma Separated values,是一种用来存储数据的纯文本文件格式,通常用于电子表格或数据库软件。用Excel或者Numbers都可以导出CSV格式的数据。CSV文件的规则0 开头是不留空,以行为单位。 1 可含或不含列名,含列名则居文件第一行。2 一行数据不垮行,无空行....
分类:其他好文   时间:2014-06-10 10:03:30    阅读次数:204
Leetcode:Permutations 排列
戳我去解题Given a collection of numbers, return all possible permutations.For example,[1,2,3]have the following permutations:[1,2,3],[1,3,2],[2,1,3],[2,3,1...
分类:其他好文   时间:2014-06-10 08:42:11    阅读次数:184
运用简单的bloomfilter算法生成100万个不重复的随机数
bloomFilter算法的基本原理,设计实现一个生成100万个不重复的随机数。...
分类:其他好文   时间:2014-06-10 07:50:25    阅读次数:228
[leetcode]Combination Sum @ Python
原题地址:https://oj.leetcode.com/problems/combination-sum/题意:Given a set of candidate numbers (C) and a target number (T), find all unique combinations in...
分类:编程语言   时间:2014-06-09 17:50:09    阅读次数:333
[leetcode]Combination Sum II @ Python
原题地址:https://oj.leetcode.com/problems/combination-sum-ii/题意:Given a collection of candidate numbers (C) and a target number (T), find all unique combi...
分类:编程语言   时间:2014-06-09 17:41:58    阅读次数:320
LEETCODE--Remove Duplicates from Sorted List II
Given a sorted linked list, delete all nodes that have duplicate numbers, leaving onlydistinctnumbers from the original list.For example,Given1->2->3-...
分类:其他好文   时间:2014-06-08 21:56:41    阅读次数:297
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