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题目链接 "https://leetcode.com/problems/search a 2d matrix/" 题目原文
Write an efficient algorithm that searches for a value in an m x n matrix. This mat... 阅读全文
posted @ 2016-01-15 10:46
slurm
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题目链接 "https://leetcode.com/problems/set matrix zeroes/" 题目原文
Given a m x n matrix, if an element is 0, set its entire row and column to 0. Do it ... 阅读全文
posted @ 2016-01-14 17:22
slurm
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题目链接 "https://leetcode.com/problems/edit distance/" 题目原文
Given two words word1 and word2, find the minimum number of steps required to convert wo... 阅读全文
posted @ 2016-01-14 17:04
slurm
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题目链接 "https://leetcode.com/problems/simplify path/" 题目原文
Given an absolute path for a file (Unix style), simplify it. For example,
path = , = p... 阅读全文
posted @ 2016-01-14 16:10
slurm
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题目链接 "https://leetcode.com/problems/climbing stairs/" 题目原文
You are climbing a stair case. It takes n steps to reach to the top.
Each time you can... 阅读全文
posted @ 2016-01-13 10:34
slurm
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题目链接 "https://leetcode.com/problems/sqrtx/" 题目原文
Implement .
Compute and return the square root of x. 题目大意
实现一个整型的开平方根 解题思路
使用牛顿迭代法进行求解 牛顿迭代... 阅读全文
posted @ 2016-01-13 10:20
slurm
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题目链接 "https://leetcode.com/problems/text justification/" 题目原文
Given an array of words and a length L, format the text such that each line has exa... 阅读全文
posted @ 2016-01-12 17:10
slurm
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题目链接：https://leetcode.com/problems/add-binary/题目大意：给定两个二进制字符串，返回它们的和解题思路：模拟二进制竖式加法class Solution(object): def addBinary(self, a, b): """ ... 阅读全文
posted @ 2016-01-12 16:08
slurm
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题目链接：https://leetcode.com/problems/plus-one/题目大意：用一个digit数组表示一个非负整数，加1后返回这个数组 例如：[9,9]加1返回[1,0,0]解题思路：从后往前遍历，一次判断进位即可；注意计算到最高位的时候是否有进位的处理class Solu... 阅读全文
posted @ 2016-01-12 15:50
slurm
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题目链接：https://leetcode.com/problems/valid-number/题目大意：给定一个字符串，判断是否是数字 如："0"=>true " 0.1 "=>true "abc"=>false "1 a"=>false "2e10"=... 阅读全文
posted @ 2016-01-07 16:47
slurm
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