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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 nu... 阅读全文
posted @ 2014-07-21 19:42
SunshineAtNoon
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Write a function to find the longest common prefix string amongst an array of strings.题解：以strs[0]为模板，每次挨个查看是否所有的串里面是否第i位上都和strs[0]一样，如果都一样，把i位置上的字符放到a... 阅读全文
posted @ 2014-07-21 17:10
SunshineAtNoon
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Given an array of non-negative integers, you are initially positioned at the first index of the array.Each element in the array represents your maximu... 阅读全文
posted @ 2014-07-21 16:48
SunshineAtNoon
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Given an array of non-negative integers, you are initially positioned at the first index of the array.Each element in the array represents your maximu... 阅读全文
posted @ 2014-07-21 16:35
SunshineAtNoon
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Given a sorted array of integers, find the starting and ending position of a given target value.Your algorithm's runtime complexity must be in the ord... 阅读全文
posted @ 2014-07-21 16:05
SunshineAtNoon
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Given a collection of integers that might contain duplicates,S, return all possible subsets.Note:Elements in a subset must be in non-descending order.... 阅读全文
posted @ 2014-07-21 13:41
SunshineAtNoon
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Given a set of distinct integers,S, return all possible subsets.Note:Elements in a subset must be in non-descending order.The solution set must not co... 阅读全文
posted @ 2014-07-21 13:01
SunshineAtNoon
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Determine if a Sudoku is valid, according to:Sudoku Puzzles - The Rules.The Sudoku board could be partially filled, where empty cells are filled with ... 阅读全文
posted @ 2014-07-21 11:52
SunshineAtNoon
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Follow up for "Unique Paths":Now consider if some obstacles are added to the grids. How many unique paths would there be?An obstacle and empty space i... 阅读全文
posted @ 2014-07-21 11:13
SunshineAtNoon
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Follow up for "Search in Rotated Sorted Array":What ifduplicatesare allowed?Would this affect the run-time complexity? How and why?Write a function to... 阅读全文
posted @ 2014-07-21 10:57
SunshineAtNoon
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