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Question You are given coins of different denominations and a total amount of money amount. Write a function to compute the fewest number of coins tha 阅读全文
posted @ 2017-09-30 15:41
清水汪汪
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Question 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 阅读全文
posted @ 2017-09-29 10:09
清水汪汪
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Question Given two words word1 and word2, find the minimum number of steps required to convert word1 to word2. (each operation is counted as 1 step.) 阅读全文
posted @ 2017-09-28 17:19
清水汪汪
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Question Given n non negative integers representing the histogram's bar height where the width of each bar is 1, find the area of largest rectangle in 阅读全文
posted @ 2017-09-27 14:17
清水汪汪
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Question Given an encoded string, return it's decoded string. The encoding rule is: k[encoded_string], where the encoded_string inside the square brac 阅读全文
posted @ 2017-09-24 22:32
清水汪汪
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Question Given a binary tree, return all duplicate subtrees. For each kind of duplicate subtrees, you only need to return the root node of any one of 阅读全文
posted @ 2017-09-24 21:24
清水汪汪
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1. 在Linux下直接用pip install packageName，有些文件会被放到根目录下，如果没有sudo权限的话，是会安装失败的。这个以后我们就需要指定安装的目录了。 2. 一般编译源代码三部曲 ./configure make make install 这种默认安装路径的话，会把可执行 阅读全文
posted @ 2017-09-24 19:26
清水汪汪
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Question Find the nth digit of the infinite integer sequence 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, ... Note: n is positive and will fit within the range 阅读全文
posted @ 2017-09-24 19:17
清水汪汪
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Question Write an efficient algorithm that searches for a value in an m x n matrix. This matrix has the following properties: Integers in each row are 阅读全文
posted @ 2017-09-17 11:45
清水汪汪
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Question Given an integer array, find three numbers whose product is maximum and output the maximum product. Example 1: Example 2: Note: The length of 阅读全文
posted @ 2017-09-17 11:16
清水汪汪
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