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2014年6月8日
[leetcode]Sqrt(x) @ Python
摘要： 原题地址：https://oj.leetcode.com/problems/sqrtx/题意：Implementint sqrt(int x).Compute and return the square root ofx.解题思路：实现开平方函数。这里要注意的一点是返回的时一个整数。通过这一点我们可... 阅读全文
posted @ 2014-06-08 10:19 南郭子綦 阅读(4183) 评论(0) 推荐(0)
[leetcode]Sort Colors @ Python
摘要： 原题地址：https://oj.leetcode.com/problems/sort-colors/题意：Given an array withnobjects colored red, white or blue, sort them so that objects of the same col... 阅读全文
posted @ 2014-06-08 10:10 南郭子綦 阅读(4446) 评论(0) 推荐(0)
2014年6月6日
[leetcode]Pow(x, n) @ Python
摘要： 原题地址：https://oj.leetcode.com/problems/powx-n/题意：Implement pow(x,n).解题思路：求幂函数的实现。使用递归，类似于二分的思路，解法来自Mark Allen Weiss的《数据结构与算法分析》。正确代码：class Solution: ... 阅读全文
posted @ 2014-06-06 18:36 南郭子綦 阅读(4996) 评论(4) 推荐(0)
[leetcode]Edit Distance @ Python
摘要： 原题地址：https://oj.leetcode.com/problems/edit-distance/题意：Given two wordsword1andword2, find the minimum number of steps required to convertword1toword2.... 阅读全文
posted @ 2014-06-06 18:07 南郭子綦 阅读(3922) 评论(0) 推荐(0)
[leetcode]Rotate Image @ Python
摘要： 原题地址：https://oj.leetcode.com/problems/rotate-image/题意：You are given annxn2D matrix representing an image.Rotate the image by 90 degrees (clockwise).Fo... 阅读全文
posted @ 2014-06-06 17:03 南郭子綦 阅读(4423) 评论(0) 推荐(1)
[leetcode]Length of Last Word @ Python
摘要： 原题地址：https://oj.leetcode.com/problems/length-of-last-word/题意：Given a stringsconsists of upper/lower-case alphabets and empty space characters' ', retu... 阅读全文
posted @ 2014-06-06 16:49 南郭子綦 阅读(2135) 评论(1) 推荐(0)
[leetcode]Plus One @ Python
摘要： 原题地址：https://oj.leetcode.com/problems/plus-one/题意：Given a non-negative number represented as an array of digits, plus one to the number.The digits are... 阅读全文
posted @ 2014-06-06 15:23 南郭子綦 阅读(3662) 评论(0) 推荐(0)
[leetcode]Search Insert Position @ Python
摘要： 原题地址：https://oj.leetcode.com/problems/search-insert-position/题意：Given a sorted array and a target value, return the index if the target is found. If n... 阅读全文
posted @ 2014-06-06 15:14 南郭子綦 阅读(3721) 评论(0) 推荐(0)
[leetcode]Merge k Sorted Lists @ Python
摘要： 原题地址：https://oj.leetcode.com/problems/merge-k-sorted-lists/题意：Mergeksorted linked lists and return it as one sorted list. Analyze and describe its com... 阅读全文
posted @ 2014-06-06 12:18 南郭子綦 阅读(5578) 评论(0) 推荐(0)
2014年6月5日
[leetcode]Sudoku Solver @ Python
摘要： 原题地址：https://oj.leetcode.com/problems/sudoku-solver/题意：Write a program to solve a Sudoku puzzle by filling the empty cells.Empty cells are indicated b... 阅读全文
posted @ 2014-06-05 14:26 南郭子綦 阅读(4049) 评论(3) 推荐(0)
[leetcode]Valid Sudoku @ Python
摘要： 原题地址：https://oj.leetcode.com/problems/valid-sudoku/题意：Determine if a Sudoku is valid, according to:Sudoku Puzzles - The Rules.The Sudoku board could b... 阅读全文
posted @ 2014-06-05 13:44 南郭子綦 阅读(4124) 评论(0) 推荐(0)
[leetcode]Search a 2D Matrix @ Python
摘要： 原题地址：https://oj.leetcode.com/problems/search-a-2d-matrix/题意：Write an efficient algorithm that searches for a value in anmxnmatrix. This matrix has the... 阅读全文
posted @ 2014-06-05 12:11 南郭子綦 阅读(2926) 评论(0) 推荐(0)
[leetcode]Anagrams @ Python
摘要： 原题地址：https://oj.leetcode.com/problems/anagrams/题意：Given an array of strings, return all groups of strings that are anagrams.Note: All inputs will be i... 阅读全文
posted @ 2014-06-05 11:39 南郭子綦 阅读(5024) 评论(3) 推荐(0)
[leetcode]Spiral Matrix II @ Python
摘要： 原题地址：https://oj.leetcode.com/problems/spiral-matrix-ii/题意：Given an integern, generate a square matrix filled with elements from 1 ton2in spiral order.... 阅读全文
posted @ 2014-06-05 11:06 南郭子綦 阅读(2155) 评论(0) 推荐(0)
[leetcode]Spiral Matrix @ Python
摘要： 原题地址：https://oj.leetcode.com/problems/spiral-matrix/题意：Given a matrix ofmxnelements (mrows,ncolumns), return all elements of the matrix in spiral orde... 阅读全文
posted @ 2014-06-05 10:46 南郭子綦 阅读(4207) 评论(1) 推荐(0)
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