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Given a string S, find the longest palindromic substring in S. You may assume that the maximum length of S is 1000, and there exists one unique longes 阅读全文
posted @ 2016-07-14 21:58
北叶青藤
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Given an integer array (index from 0 to n-1, where n is the size of this array), and an query list. Each query has two integers [start, end]. For each 阅读全文
posted @ 2016-07-14 21:35
北叶青藤
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Give you an integer array (index from 0 to n-1, where n is the size of this array, value from 0 to 10000) . For each element Ai in the array, count th 阅读全文
posted @ 2016-07-14 21:16
北叶青藤
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Given n non-negative integers representing an elevation map where the width of each bar is 1, compute how much water it is able to trap after raining. 阅读全文
posted @ 2016-07-14 09:02
北叶青藤
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Given n non-negative integers a1, a2, ..., an , where each represents a point at coordinate (i, ai). n vertical lines are drawn such that the two endp 阅读全文
posted @ 2016-07-14 08:50
北叶青藤
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Count how many 1 in binary representation of a 32-bit integer. Count how many 1 in binary representation of a 32-bit integer. Count how many 1 in bina 阅读全文
posted @ 2016-07-14 08:30
北叶青藤
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Given an integer array (index from 0 to n-1, where n is the size of this array), and an query list. Each query has two integers [start, end]. For each 阅读全文
posted @ 2016-07-14 04:26
北叶青藤
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Insert Intervals Given a non-overlapping interval list which is sorted by start point. Insert a new interval into it, make sure the list is still in o 阅读全文
posted @ 2016-07-14 03:57
北叶青藤
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Find the kth smallest number in at row and column sorted matrix. Example Given k = 4 and a matrix: [ [1 ,5 ,7], [3 ,7 ,8], [4 ,8 ,9], ] return 5. 分析： 阅读全文
posted @ 2016-07-14 02:29
北叶青藤
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