摘要：
Write a function to find the longest common prefix string amongst an array of strings. If there is no common prefix, return an empty string "". Exampl 阅读全文
posted @ 2015-06-29 10:30
Grandyang
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Given the head of a linked list, remove the nth node from the end of the list and return its head. Example 1: Input: head = [1,2,3,4,5], n = 2 Output: 阅读全文
posted @ 2015-06-29 10:28
Grandyang
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摘要：
Given an integer array of size n, find all elements that appear more than ⌊ n/3 ⌋ times. Note: The algorithm should run in linear time and in O(1) spa 阅读全文
posted @ 2015-06-29 09:52
Grandyang
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You are given an array of k linked-lists lists, each linked-list is sorted in ascending order. Merge all the linked-lists into one sorted linked-list 阅读全文
posted @ 2015-06-29 08:59
Grandyang
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Given an integer array nums and an integer val, remove all occurrences of val in nums in-place. The order of the elements may be changed. Then return 阅读全文
posted @ 2015-06-29 08:54
Grandyang
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Given two strings needle and haystack, return the index of the first occurrence of needle in haystack, or -1 if needle is not part of haystack. Exampl 阅读全文
posted @ 2015-06-29 08:51
Grandyang
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摘要：
Given an input string, reverse the string word by word. For example, Given s = "the sky is blue", return "blue is sky the". Update (2015-02-12): For C 阅读全文
posted @ 2015-06-29 08:14
Grandyang
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