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Contains Duplicate II
Given an array of integers and an integer k, find out whether there there are two distinct indices i and j in the array such that nums[i] = nums[j] and the difference between iand j is at most...
分类:其他好文   时间:2015-06-25 09:00:59    阅读次数:82
Leetcode 220 Contains Duplicate III
1. 问题描述  给定一个整数数组nums[],查找是否存在两个下标i和j,满足|numsi?numsj|≤t|nums_i-nums_j| \le t 且 |i?j|≤k|i-j| \le k。2. 方法与思路  总得思路就是:“滑动窗口”+unordered_map。   推理过程如下:   |numsi?numsj|≤t?|numsi/t?numsj/t|≤1|nums_i-nums_j|...
分类:其他好文   时间:2015-06-24 22:41:57    阅读次数:328
List.contains(Object object)方法
使用List.contains(Object object)方法判断ArrayList是否包含一个元素对象(针对于对象的属性值相同,但对象地址不同的情况),如果没有重写List的元素对象Object中的equals方法,默认如下: @Override public boolean equals(Object o) { // TODO Auto-generated method stub...
分类:其他好文   时间:2015-06-24 19:08:18    阅读次数:137
SGU180:Inversions(树状数组)
There are N integers (1A[j]. Input The first line of the input contains the number N. The second line contains N numbers A1...AN. Output Write amount of such pairs. Sample test(s)...
分类:编程语言   时间:2015-06-24 11:01:38    阅读次数:122
This function has none of DETERMINISTIC, NO SQL, or READS SQL DATA in its de 错误解决办法
这是我们开启了bin-log, 我们就必须指定我们的函数是否是1 DETERMINISTIC 不确定的2 NO SQL 没有SQl语句,当然也不会修改数据3 READS SQL DATA 只是读取数据,当然也不会修改数据4 MODIFIES SQL DATA 要修改数据5 CONTAINS SQL ...
分类:数据库   时间:2015-06-24 10:48:15    阅读次数:185
Basic Calculator II
Basic Calculator II问题:Implement a basic calculator to evaluate a simple expression string.The expression string contains onlynon-negativeintegers,+,-,...
分类:其他好文   时间:2015-06-24 10:47:29    阅读次数:114
The currently displayed page contains invalid values.
1 错误描述 2 错误原因 3 解决办法...
分类:其他好文   时间:2015-06-24 00:52:39    阅读次数:121
iOS 目录的使用
Table 1-1Commonly used directories of an iOS appDirectoryDescriptionAppName.appThis is the app’sbundle. This directory contains the app and all of its...
分类:移动开发   时间:2015-06-23 19:51:35    阅读次数:255
leetCode(25):Validate Binary Search Tree
Given a binary tree, determine if it is a valid binary search tree (BST). Assume a BST is defined as follows: The left subtree of a node contains only nodes with keys less than the node's key.Th...
分类:其他好文   时间:2015-06-23 15:50:51    阅读次数:92
[leetcode] Contains Duplicate III
Contains Duplicate IIIGiven an array of integers, find out whether there are two distinct indicesiandjin the array such that the difference betweennum...
分类:其他好文   时间:2015-06-23 15:33:56    阅读次数:81
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