2015年9月20日

leetcode 283:Move Zeroes

摘要： 题目：Given an array nums, write a function to move all 0's to the end of it while maintaining the relative order of the non-zero elements.For example, g... 阅读全文

posted @ 2015-09-20 18:36 cainiao15 阅读(139) 评论(0) 推荐(0) 编辑

leetcode 226： Invert Binary Tree

摘要： 题目：Invert a binary tree. 4 / \ 2 7 / \ / \1 3 6 9to 4 / \ 7 2 / \ / \9 6 3 1Trivia:This problem was inspired byt... 阅读全文

posted @ 2015-09-20 17:25 cainiao15 阅读(127) 评论(0) 推荐(0) 编辑

leetcode 217:Contains Duplicate

摘要： 题目：Given an array of integers, find if the array contains any duplicates. Your function should return true if any value appears at least twice in the ... 阅读全文

posted @ 2015-09-20 17:01 cainiao15 阅读(113) 评论(0) 推荐(0) 编辑

2015年9月14日

leetcode 258: Add Digits

摘要： 题目：Given a non-negative integer num, repeatedly add all its digits until the result has only one digit.For example:Given num = 38, the process is like... 阅读全文

posted @ 2015-09-14 16:38 cainiao15 阅读(143) 评论(0) 推荐(0) 编辑

leetcode 104: Maximum Depth of Binary Tree

摘要： 题目：Given a binary tree, find its maximum depth.The maximum depth is the number of nodes along the longest path from the root node down to the farthest... 阅读全文

posted @ 2015-09-14 16:32 cainiao15 阅读(104) 评论(0) 推荐(0) 编辑

leetcode 237: Delete Node in a Linked List

摘要： 题目：Write a function to delete a node (except the tail) in a singly linked list, given only access to that node.Supposed the linked list is 1 -> 2 -> 3... 阅读全文

posted @ 2015-09-14 16:26 cainiao15 阅读(126) 评论(0) 推荐(0) 编辑

2015年7月21日

informix：字符串截取与拼接

摘要： 要求：informix数据里，给定的字符串为“20150702” ，而数据库存储的为varchar类型的deal_time数据“2015-07-02”要求是查询的deal_time>=给定字符串的数据解决方案：因为两者都是字符串类型，所以用字符串的截取与拼接，目的是将“20150702”转化为数据库... 阅读全文

posted @ 2015-07-21 17:14 cainiao15 阅读(8362) 评论(0) 推荐(0) 编辑

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