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Givennpairs of parentheses, write a function to generate all combinations of well-formed parentheses.For example, givenn= 3, a solution set is:"((()))... 阅读全文
posted @ 2015-10-12 23:36
amazingzoe
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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 7might become4 5 6 7 0 1 2).Find the minimum element.You m... 阅读全文
posted @ 2015-10-12 09:38
amazingzoe
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Given an array of numbersnums, in which exactly two elements appear only once and all the other elements appear exactly twice. Find the two elements t... 阅读全文
posted @ 2015-10-12 07:40
amazingzoe
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The string"PAYPALISHIRING"is written in a zigzag pattern on a given number of rows like this: (you may want to display this pattern in a fixed font fo... 阅读全文
posted @ 2015-10-12 07:04
amazingzoe
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Givennpoints on a 2D plane, find the maximum number of points that lie on the same straight line.Runtime: 40ms 1 /** 2 * Definition for a point. 3 *... 阅读全文
posted @ 2015-10-12 06:03
amazingzoe
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Divide two integers without using multiplication, division and mod operator.If it is overflow, return MAX_INT.Runtime: 8ms 1 class Solution { 2 public... 阅读全文
posted @ 2015-10-12 00:38
amazingzoe
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