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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 @ 2016-03-05 23:30
ArgenBarbie
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Given an unsorted integer array, find the first missing positive integer. For example,Given [1,2,0] return 3,and [3,4,-1,1] return 2. Your algorithm s 阅读全文
posted @ 2016-03-05 19:16
ArgenBarbie
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1. 每个元素可用多次 Given a set of candidate numbers (C) and a target number (T), find all unique combinations in C where the candidate numbers sums to T. The 阅读全文
posted @ 2016-03-05 18:17
ArgenBarbie
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Write a program to solve a Sudoku puzzle by filling the empty cells. Empty cells are indicated by the character '.'. You may assume that there will be 阅读全文
posted @ 2016-03-05 16:32
ArgenBarbie
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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 wit 阅读全文
posted @ 2016-03-05 16:17
ArgenBarbie
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Suppose a sorted array is rotated at some pivot unknown to you beforehand. (i.e., 0 1 2 4 5 6 7 might become 4 5 6 7 0 1 2). You are given a target va 阅读全文
posted @ 2016-03-05 14:43
ArgenBarbie
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Given a string containing just the characters '(' and ')', find the length of the longest valid (well-formed) parentheses substring. For "(()", the lo 阅读全文
posted @ 2016-03-05 12:01
ArgenBarbie
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Implement next permutation, which rearranges numbers into the lexicographically next greater permutation of numbers. If such arrangement is not possib 阅读全文
posted @ 2016-03-05 11:12
ArgenBarbie
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You are given a string, s, and a list of words, words, that are all of the same length. Find all starting indices of substring(s) in s that is a conca 阅读全文
posted @ 2016-03-05 10:24
ArgenBarbie
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