1.题目描述 英文版: Given n non negative integers a1, a2, ..., an , where each represents a point at coordinate (i, ai). n vertical lines are drawn such that ...
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其他好文 时间:
2020-02-16 20:34:34
阅读次数:
68
题目: Implement a MapSum class with insert, and sum methods. For the method insert, you'll be given a pair of (string, integer). The string represents t ...
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编程语言 时间:
2020-02-11 00:19:01
阅读次数:
110
Given an array of integers arr, replace each element with its rank. The rank represents how large the element is. The rank has the following rules: Ra ...
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其他好文 时间:
2020-01-29 10:28:22
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74
题目如下: Given an array of integers arr, replace each element with its rank. The rank represents how large the element is. The rank has the following rul ...
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其他好文 时间:
2020-01-27 19:03:33
阅读次数:
71
错误原因:mysql识别时区出现错误,这是因为访问的url中没有指定时区为UTC 出错误的url: spring.datasource.url=jdbc:mysql://127.0.0.1:3306/springbootdemo?useUnicode=true&characterEncoding=u ...
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数据库 时间:
2020-01-27 00:21:26
阅读次数:
103
A binary watch has 4 LEDs on the top which represent the hours (0-11), and the 6 LEDs on the bottom represent the minutes (0-59). Each LED represents ...
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其他好文 时间:
2020-01-16 14:44:07
阅读次数:
73
There are n computers numbered from 0 to n-1 connected by ethernet cables connections forming a network where connections[i] = [a, b] represents a con ...
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Web程序 时间:
2020-01-15 14:20:49
阅读次数:
105
从今天开始,我们一起过一遍Spring的官网,本文主要涉及到官网中的1.2,1.3节。 Spring容器 容器是什么? 我们先看官网中的一句话: The interface represents the Spring IoC container and is responsible for inst ...
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编程语言 时间:
2020-01-11 15:23:52
阅读次数:
108
今天发生了一件事,中午去吃饭回来睡觉,午休结束后要写代码了,发现idea关闭了,平时一直开着,几乎不关闭的。这还不算邪门儿,打开后启动项目报了:The server time zone value‘XXXXXX' is unrecognized or represents...这样的错。 一百度是时 ...
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数据库 时间:
2020-01-07 22:36:42
阅读次数:
197
/* ** CAPI3REF: Prepared Statement Object ** KEYWORDS: {prepared statement} {prepared statements} ** ** An instance of this object represents a single ...
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数据库 时间:
2020-01-03 18:02:46
阅读次数:
155