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Leetcode#107 Binary Tree Level Order Traversal II
原题地址二叉树层次遍历,最后把遍历结果翻转一下即可代码: 1 vector > levelOrderBottom(TreeNode *root) { 2 vector > res; 3 queue layer; 4 5 layer.p...
分类:其他好文   时间:2015-02-02 12:15:00    阅读次数:209
【leetcode SQL】Customers Who Never Order
Suppose that a website contains two tables, the Customers table and the Orders table. Write a SQL query to find all customers who never order anything. Table: Customers. +----+-------+ | Id | Na...
分类:数据库   时间:2015-02-01 23:24:12    阅读次数:436
文件和数组的排序
#include #include #include #include using namespace std;template void order(vector &a){ int count = a.size(); T temp; for (int i=0;ia[j+1])...
分类:编程语言   时间:2015-02-01 23:07:29    阅读次数:179
Remove Element
Given an array and a value, remove all instances of that value in place and return the new length.The order of elements can be changed. It doesn't mat...
分类:其他好文   时间:2015-02-01 16:00:25    阅读次数:137
leetcode------Spiral Matrix II
标题:Spiral Matrix II通过率:31.3难度:中等Given an integern, generate a square matrix filled with elements from 1 ton2in spiral order.For example,Givenn=3,You s...
分类:其他好文   时间:2015-02-01 12:05:04    阅读次数:198
LeetCode 笔记21 生成第k个排列
题目是这样的:The set[1,2,3,…,n]contains a total ofn! unique permutations.By listing and labeling all of the permutations in order,We get the following seque...
分类:其他好文   时间:2015-02-01 10:48:24    阅读次数:160
LeetCode-Binary Tree Level Order Traversal II
题目链接:https://oj.leetcode.com/problems/binary-tree-level-order-traversal-ii/ 题目: Given a binary tree, return the bottom-up level order traversal of its nodes' values. (ie, from left to right, l...
分类:其他好文   时间:2015-02-01 09:37:45    阅读次数:155
Oracle中为表设置自动增长的标识列
-- Create sequence create sequence INNERID minvalue 1 maxvalue 99999999999999 start with 1 increment by 1 cache 20 order;2.--INNERID.currval 指当前序列 --I...
分类:数据库   时间:2015-02-01 01:50:44    阅读次数:175
SAP实际成本与物料帐
[ittype-SAP帮主]:SAP实际成本与物料帐->Beginning Inventory [库存数量,标准价值,差异] (上一期结转) 收到(Receipts) -->Procurement (盘赢等其他收货) -->Purchase order (采购收货) -->Production...
分类:其他好文   时间:2015-02-01 01:48:40    阅读次数:151
Convert Sorted Array to Binary Search Tree
https://oj.leetcode.com/problems/convert-sorted-array-to-binary-search-tree/Given an array where elements are sorted in ascending order, convert it to...
分类:其他好文   时间:2015-01-31 23:08:44    阅读次数:196
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