hozhangel - 博客园

2017年11月17日

摘要： 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 @ 2017-11-17 16:31 hozhangel 阅读(178) 评论(0) 推荐(0) 编辑

36. Valid Sudoku数独判断

摘要：题目：数独填写正确判断 https://leetcode.com/problems/valid-sudoku/description/ Determine if a Sudoku is valid, according to: Sudoku Puzzles - The Rules. The Sudo 阅读全文

posted @ 2017-11-17 15:44 hozhangel 阅读(371) 评论(0) 推荐(0) 编辑

2017年11月16日

35. Search Insert Position

摘要： Given a sorted array and a target value, return the index if the target is found. 返回target在有序数组中的位置。如果没有找到，就返回这个数应该放在的位置：代码如下：阅读全文

posted @ 2017-11-16 20:20 hozhangel 阅读(126) 评论(0) 推荐(0) 编辑

34. Search for a Range

摘要： Given an array of integers sorted in ascending order, find the starting and ending position of a given target value. Your algorithm's runtime complexi 阅读全文

posted @ 2017-11-16 19:59 hozhangel 阅读(109) 评论(0) 推荐(0) 编辑

33. Search in Rotated Sorted Array

摘要： Suppose an array sorted in ascending order 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 a 阅读全文

posted @ 2017-11-16 18:59 hozhangel 阅读(101) 评论(0) 推荐(0) 编辑

32. Longest Valid Parentheses

摘要： 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 @ 2017-11-16 16:33 hozhangel 阅读(88) 评论(0) 推荐(0) 编辑

31. Next Permutation下一个排列

摘要： 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 @ 2017-11-16 09:46 hozhangel 阅读(148) 评论(0) 推荐(0) 编辑

2017年11月15日

30. Substring with Concatenation of All Words找出串联所有词的子串

摘要：题目：https://leetcode.com/problems/substring-with-concatenation-of-all-words/description/ You are given a string, s, and a list of words, words, that ar 阅读全文

posted @ 2017-11-15 19:44 hozhangel 阅读(161) 评论(0) 推荐(0) 编辑

2017年11月14日

29. Divide Two Integers

摘要： Divide two integers without using multiplication, division and mod operator. If it is overflow, return MAX_INT. 两个数相除，不使用乘法，除法，求模计算两个数的除法~ 除法运算：被除数中包含阅读全文

posted @ 2017-11-14 23:07 hozhangel 阅读(142) 评论(0) 推荐(0) 编辑

28. Implement strStr()子串匹配

摘要： Implement strStr(). Return the index of the first occurrence of needle in haystack, or -1 if needle is not part of haystack. Example 1: Example 2: 这里没阅读全文

posted @ 2017-11-14 22:37 hozhangel 阅读(127) 评论(0) 推荐(0) 编辑

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