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...
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其他好文 时间:
2015-06-25 09:00:59
阅读次数:
82
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|...
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其他好文 时间:
2015-06-24 22:41:57
阅读次数:
328
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...
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其他好文 时间:
2015-06-24 19:08:18
阅读次数:
137
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)...
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编程语言 时间:
2015-06-24 11:01:38
阅读次数:
122
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 ...
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数据库 时间:
2015-06-24 10:48:15
阅读次数:
185
Basic Calculator II问题:Implement a basic calculator to evaluate a simple expression string.The expression string contains onlynon-negativeintegers,+,-,...
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其他好文 时间:
2015-06-24 10:47:29
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114
Table 1-1Commonly used directories of an iOS appDirectoryDescriptionAppName.appThis is the app’sbundle. This directory contains the app and all of its...
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移动开发 时间:
2015-06-23 19:51:35
阅读次数:
255
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...
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其他好文 时间:
2015-06-23 15:50:51
阅读次数:
92
Contains Duplicate IIIGiven an array of integers, find out whether there are two distinct indicesiandjin the array such that the difference betweennum...
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其他好文 时间:
2015-06-23 15:33:56
阅读次数:
81