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Welfare activities

2022 Season two

The scorching summer fades

Welfare activities officially kicked off

From now on to 7 month 25 Friday night

Just get involved User Group Welfare activities

Submit participation code

Learning experience development deployment program

You can get 【 Naixue's tea coupon 】

In a tired afternoon

Have a drink User Group

Naixue's tea for everyone

01、 Participate in the way

Any AWS All partners of the account can participate , Everyone can participate once .

02、 The rules of the game

By writing Python The code implements the following calculation .

A laboratory has accumulated n Calculation jobs to be run , In order to complete these assignments , The laboratory rented a server for continuous free Machine hours of units .

We use a length of n Array of times Indicates the processing time required for each job , among times[i] It means the first one i Processing time required for jobs . The lab wants to run enough jobs with these machines . Give you an array of processing times times and free, Please calculate and return to the Laboratory free The maximum number of jobs that a unit can complete .

Be careful ： Jobs can be executed in any order .

A single job needs to be completed continuously , Job execution cannot be interrupted .

03、 Submit request

Please submit a single Python Source file To solve the above problem .

04、 Code execution environment

Python 3.9 / 128MB memory Other class libraries available : AWS SDK for Python Specific version information , Please refer to the documentation （ Copy the link and open it in the browser ）Lambda runtimes - AWS Lambda

05、Python Code requirements

The code must include the following entry functions , Get from s3 File path as a parameter , And return the calculation result required above .

The format of input file content is ,

free_number\ttimes[0],times[1],times[2],...,times[n]

def handler(event, context):   inputfile = event['url']   
# input  Is the target S3 file , The format is similar  s3://mybucket-name/myfiles/inputfile1   
result = yourmethod_find_maximum_number_of_jobs(inputfile)   
return result

Example ： Input event：{"url": "s3://mybucket-name/myfiles/inputfile1"}s3://mybucket-name/myfiles/inputfile1 The content of the document is ：20\t3,8,8,10 Input above indicates times = [3, 8, 8, 10], free = 20 Output ：3 explain ： The laboratory can complete the subscript 0、1、2 The homework , The total time is 3 + 8 + 8 = 19

06、 Submit code steps

Step one

Register an Amazon cloud account (https://s.awsevents.cn/1cg8t4  Copy to the browser to open or click directly Read the original To jump ), And log in to the console . Existing accounts can be used .（ You can click the picture to zoom in and see the specific operation ）

Step two

Create a new API（ You can click the picture to zoom in and see the specific operation ）

Please note that Lambda Please fill in the following content at the function arn:aws:lambda:ap-southeast-1:324908031092:function:contest-checker-checker31A6B3BF-td0E0mBsHMyY

notes ： The function string does not contain spaces until here You have successfully created API 了 ~

Step three

Submit the completed procedure to User Group Intelligent assistant judges and redeems rewards . The format is as follows HTTP form-data Submit the form to your previously deployed API Interface .

"eventId": "20220701", 
#  Required , The activity code of this period is  20220701, Do not modify the 
"nickname":  Your name is , 
#  Required , Your nickname "result":  Challenging code files 
#  Required , To achieve the task of this period  Python  Code file 

Step 3 example ：

1. Use the programmer's favorite command line tool to submit examples curl -F eventId=20220701 -F [email protected]/home/myname/aws-user-group-challenge.py -F nickname= Xiaofeixia https://.execute-api.ap-northeast-1.amazonaws.com

2. Use graphics HTTP Request tool Postman Submit sample

Q1 : Participating in activities will bring benefits ？A: Of course. ！ Who let User Group Favorite fan developer ！ Every developer who successfully runs this activity , The system will directly distribute 【 Naixue's tea coupon 】, In a tired afternoon , Have a cup of Amazon cloud technology User Group Here is Naixue's tea for you ！

Q2 : adopt HTTP Methods will participate in the submission of works , Is there anything else to do ？A: No more than 30 Seconds of waiting , If the submission is correct , You will immediately receive the tea code of electronic Naixue ; If the error , The system will remind you to test once .

And remember to pay attention to official account 【User Group】, Otherwise, don't blame small U I didn't remind you to get more activity benefits ！ See below for details of benefits ！

Q3 : There are other benefits ？A:  There has to be ！ besides , We will select the top ten participants and send them to Amazon cloud technology User Group A nice one ！

Ranking method ： On the premise of successful operation , Rank according to the completion time . The list will be tweeted later , We must continue to pay attention to official account 【User Group】, Reply to the receiving information , In order to receive benefits as soon as possible ！

Q4 : Series of activities are related every time ？A:  There must be ！ It's not just , Plus benefits ！

This series of welfare activities is a multi issue serial model , If developers who participated in the welfare activities at the beginning of the year , We will record the participation for you , And selected in the year-end award 【 Annual talent 】, Give the annual mysterious gift ！

ha-ha ！ Don't worry if you don't catch up with the activities at the beginning of the year , from now on , Join in ！ Scan code into group ! The time is now , Don't miss a game User Group A series of welfare activities ！ Let's accumulate the number of participation ！ You are the man of the year ！