decode()函数简介： 主要作用：将查询结果翻译成其他值（即以其他形式表现出来，以下举例说明）； 使用方法： Select decode（columnname，值1,翻译值1,值2,翻译值2,...值n,翻译值n,缺省值） From talbename Where … 其中columnname为要选择的table中所定义的column， ·含义解释： decode(条件,值1
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2012-01-09 10:55:56
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文章目录第125章 SQL函数 SIGN大纲参数描述示例第125章 SQL函数 SIGN返回给定数值表达式符号的数值函数。大纲SIGN(numeric-expres
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2022-05-02 17:28:15
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题目题意： 给出n个人信息，找出最早到的人和最晚走的人#include<iostream>#include<string>using namespace std;int main() { int m; cin>>m; string ID,s_time,e_time; string ansSID,ansEID,ansS_time,an...
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2023-06-27 10:26:54
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At the beginning of every day, the first person who signs in the computer room will unlock the door, and the last one who signs out will lock the door
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2020-03-26 12:17:00
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At the beginning of every day, the first person who signs in the computer room will unlock the door, and the last one who signs out will lock the door
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2021-09-01 09:46:05
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def getSignStr(secretKey, signStr):'''https://cloud.tencent.com/document/product/570/13939$secretKey = 'pxPgRWDbCy86ZYyqBTDk7WmeRZSmPco0';$srcStr = 'GETdsa.api.qcloud.com/v2/index.php?Action=GetDsaHos
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2019-10-15 20:49:00
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题目难度，简单；注意事项，最早和最后的初始化，不要颠倒输出
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2020-02-17 02:52:00
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Problem Description：At the beginning of every day, the first person who signs in the computer ro
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2023-06-28 15:30:11
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At the beginning of every day, the first person who signs in the computer room will unlock the door, and the last one who signs out will lock the door
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2022-06-02 18:19:50
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At the beginning of every day, the first person who signs in the computer room will unlock the door, and the last one who sign
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2023-09-05 09:35:06
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1006. Sign In and Sign Out (25)时间限制400 ms内存限制65536 kB代码长度限制16000 B判题程序Standard作者CHEN, YueAt the beginning of every day, the first person who signs in ...
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2022-10-18 13:44:53
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1006 Sign In and Sign Out (25 分) At the beginning of every day, the first person who signs in the computer room will unlock the door, and the last one ...
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2021-07-29 21:01:00
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At the beginning of every day, the first person who signs in the computer room will unlock the door, and the last one who signs out will lock the door
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2016-07-26 23:11:00
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1. 题目 At the beginning of every day, the first person who signs in the computer room will unlock the door, and the last one who signs out will lock th ...
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2021-10-28 22:08:00
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1006. Sign In and Sign Out (25)时间限制400 ms内存限制65536 kB代码长度限制16000 B判题程序Standard作者CHEN, YueAt the beginning of every day, the fi
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2022-11-25 13:57:29
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#include<iostream>#include<stdio.h>#include<stdlib.h>#include<math.h>#include<string.h>#include<algorithm> #include<map>#include<vector>#inclu...
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2022-07-14 10:25:32
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你也许没学过python这门语言，也不懂python这门语言在爬取内容网站有多么的强悍! 懂不懂这些似乎并没有那么重要！ 重要的是你看完这篇文章，
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2024-05-27 14:17:53
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At the beginning of every day, the first person who signs in the computer room will unlock the door, and the last one who signs out will lock the door. Given the records of signing in's and out's, ...
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2022-05-25 17:42:53
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1006 Sign In and Sign Out （25 point(s)）At the beginning of every day, the first person who signs in the compu
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2022-09-15 10:57:32
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题意： 找到今天第一个出门的人和最后一个进门的人。
思路：
主要在于处理字符串。这里我试着用python求了一下。
n = raw_input()
outtmin = 999999
intmax = -1
for i in range(0,int(n)):
string=raw_input()
s = string.split()
sid = s[0]
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2022-09-26 10:12:10
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