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2016年1月1日

题目来源https://leetcode.com/problems/unique-paths/A robot is located at the top-left corner of amxngrid (marked 'Start' in the diagram below).The robot c... Read More

posted @ 2016-01-01 17:18 loadofleaf Views(291) Comments(0) Diggs(0)

[LeetCode]题解（python）：061-Rotate list

题目来源https://leetcode.com/problems/rotate-list/Given a list, rotate the list to the right bykplaces, wherekis non-negative.For example:Given1->2->3->4-... Read More

posted @ 2016-01-01 17:00 loadofleaf Views(265) Comments(0) Diggs(0)

2015年12月30日

Spark Programming--Fundamental operation

maxmax（key=None）Find the maximum item in this RDD.Parameters:key– A function used to generate key for comparing例子：meanmean()Compute the mean of this R... Read More

posted @ 2015-12-30 21:38 loadofleaf Views(198) Comments(0) Diggs(0)

Spark Programming--WordCount

首先在$SPARK_HOME主目录下建立一个test文件夹，里面放一些文件（注意文件全部内容都可被hadoop用户访问，否则运行会出现permission denied的错误）打开pyspark: ./bin/pyspark读入文件整行切割（flatMap, s.split()）映射数量（map, ... Read More

posted @ 2015-12-30 15:14 loadofleaf Views(128) Comments(0) Diggs(0)

[LeetCode]题解（python）：047-Permutations II

题目来源https://leetcode.com/problems/permutations-ii/Given a collection of numbers that might contain duplicates, return all possible unique permutations... Read More

posted @ 2015-12-30 11:33 loadofleaf Views(289) Comments(0) Diggs(0)

[LeetCode]题解（python）：060-Permutation Sequence

题目来源https://leetcode.com/problems/permutation-sequence/The set[1,2,3,…,n]contains a total ofn! unique permutations.By listing and labeling all of the ... Read More

posted @ 2015-12-30 11:29 loadofleaf Views(504) Comments(0) Diggs(0)

[LeetCode]题解（python）：046-Permutations

题目来源https://leetcode.com/problems/permutations/Given a collection ofdistinctnumbers, return all possible permutations.For example,[1,2,3]have the foll... Read More

posted @ 2015-12-30 10:30 loadofleaf Views(311) Comments(0) Diggs(0)

2015年12月28日

[LeetCode]题解（python）：057-Insert Interval

题目来源https://leetcode.com/problems/insert-interval/Given a set ofnon-overlappingintervals, insert a new interval into the intervals (merge if necessary... Read More

posted @ 2015-12-28 22:39 loadofleaf Views(260) Comments(0) Diggs(0)

[LeetCode]题解（python）：056-Merge Intervals

题目来源https://leetcode.com/problems/merge-intervals/Given a collection of intervals, merge all overlapping intervals.For example,Given[1,3],[2,6],[8,10]... Read More

posted @ 2015-12-28 22:16 loadofleaf Views(388) Comments(0) Diggs(0)

[LeetCode]题解（python）：045-Jump game II

题目来源https://leetcode.com/problems/jump-game-ii/Given an array of non-negative integers, you are initially positioned at the first index of the array.E... Read More

posted @ 2015-12-28 22:00 loadofleaf Views(209) Comments(0) Diggs(0)

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