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Map, filter and reduce
To add up all the numbers in a list, you can use a loop like this: Total is initialized to 0. Each time through the loop, x gets one element...
分类:其他好文   时间:2014-07-16 19:29:14    阅读次数:234
【LeetCode】Sum Root to Leaf Numbers
题目Given a binary tree containing digits from0-9only, each root-to-leaf path could represent a number.An example is the root-to-leaf path1->2->3which r...
分类:其他好文   时间:2014-07-15 23:21:33    阅读次数:218
[leetcode]Two Sum
Two SumGiven 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...
分类:其他好文   时间:2014-07-15 08:45:17    阅读次数:236
Ugly Numbers(1.5.8)
Time Limit:1000MS     Memory Limit:10000KB     64bit IO Format:%I64d & %I64u Submit Status Description Ugly numbers are numbers whose only prime factors are 2, 3 or 5. The sequence  ...
分类:其他好文   时间:2014-07-14 14:03:02    阅读次数:206
Ugly Numbers
为何这样做Wrong Answer...
分类:其他好文   时间:2014-07-14 11:21:03    阅读次数:187
[leetcode]Combination Sum
Combination SumGiven a set of candidate numbers (C) and a target number (T), find all unique combinations inCwhere the candidate numbers sums toT.Thes...
分类:其他好文   时间:2014-07-14 10:43:07    阅读次数:222
[leetcode]Combination SumII
Combination Sum IIGiven a collection of candidate numbers (C) and a target number (T), find all unique combinations inCwhere the candidate numbers sum...
分类:其他好文   时间:2014-07-14 10:42:22    阅读次数:192
【剑指offer】 堆排序查找最小的K个数
上一篇 说了些堆的建立及其相关操作,这里看下用堆来解决数据量较大的时候,查找最小的k个数的情况。这里会用到上一篇中的函数。 我们先生存1千万个随机数,写到文件中: import random def randData(): with open('randint.txt', 'w') as fd: for i in range(1, 10000000): fd.write('%...
分类:其他好文   时间:2014-07-13 18:51:05    阅读次数:261
poj1338 Ugly Numbers(丑数模拟)
poj1338 Ugly Numbers(丑数模拟)...
分类:其他好文   时间:2014-07-13 18:42:24    阅读次数:232
G - Specialized Four-Digit Numbers(1.5.2)
Time Limit:1000MS     Memory Limit:65536KB     64bit IO Format:%I64d & %I64u Submit Status Description Find and list all four-digit numbers in decimal notation that have the property ...
分类:其他好文   时间:2014-07-13 18:17:24    阅读次数:198
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