CodEx-Introduction - Revision history

Bojar: codex discontinued

2019-05-23T11:34:39Z

codex discontinued

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	Our MT Talks are occasionally complemented with programming exercises. We invite you (and strongly recommend) to go beyond watching our videos and try solving some or all of these exercises. Pick a programming language from our choice, write the short program and submit it to our system for evaluation -- a set of fully automatic tests.		Our MT Talks are occasionally complemented with programming exercises. We invite you (and strongly recommend) to go beyond watching our videos and try solving some or all of these exercises. Pick a programming language from our choice, write the short program and submit it to our system for evaluation -- a set of fully automatic tests.

	The exercises are implemented in The Code Examiner ('''CodEx''', https://codex3.ms.mff.cuni.cz/codex-trans/). This page briefly describes how to use CodEx in general:		The exercises are implemented in The Code Examiner ('''CodEx''', https://codex3.ms.mff.cuni.cz/codex-trans/).

			'''UNFORTUNATELY, CODEX HAS BEEN REPLACED WITH A NEWER VERSION''' but we don't have the capacity to redo our exercises in the new version. Please get in touch if you would be able to help us in porting the old exercises.

			This page briefly describes how to use CodEx in general:

	* How to get a CodEx account		* How to get a CodEx account

Bojar: /* How to get a CodEx account */ updated the mailto form

2015-01-19T09:09:31Z

How to get a CodEx account: updated the mailto form

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	=== For non-CUNI students ===		=== For non-CUNI students ===

	Please send an email to [mailto:mttalks@ufal.mff.cuni.cz?Subject=Request%20for%20CodEx%20account~~!%20MT%20talks~~&body=Hello!%0D%0A%0D%0APlease%20create%20a%20CodEx%20account%20for%20me.%20Thank%20you. ~~Admin~~] to request an account. He will create the account for you~~. Your account is added~~ to '''MT talks''' group ~~by default~~.		Please send an email to [mailto:mttalks@ufal.mff.cuni.cz?Subject=Request%20for%20MT%20Talks%20CodEx%20account&body=Hello!%0D%0A%0D%0APlease%20create%20a%20CodEx%20account%20for%20me.%0D%0A%0D%0AMy%20name:%09%0D%0AInstitution:%09%0D%0A%0D%0A%20Thank%20you. mttalks@ufal.mff.cuni.cz] mentioning your name and institution to request an account. He will create the account for you and add it to '''MT talks''' CodEx group right away.


	== How to login and join a group ==		== How to login and join a group ==

Bojar: /* How to pick an exercise, solve it and submit your solution */ various small changes

2015-01-13T09:50:49Z

How to pick an exercise, solve it and submit your solution: various small changes

Bojar: /* How to login and join a group */ polishing English

2015-01-13T09:42:52Z

How to login and join a group: polishing English

← Older revision		Revision as of 09:42, 13 January 2015
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	[[File:codex-welcome-page.png\|thumb\|200px\|'''Codex Welcome''']]		[[File:codex-welcome-page.png\|thumb\|200px\|'''Codex Welcome''']]

	Once you have your login alias/password, come back to the login page: https://codex3.ms.mff.cuni.cz/codex-trans. After logging in, you are directed to the welcome page which displays all ~~documentations~~ and news ~~that relates~~ to your account.		Once you have your login alias/password, come back to the login page: https://codex3.ms.mff.cuni.cz/codex-trans. After logging in, you are directed to the welcome page which displays all documentation and news related to your account.

	On the left hand column, there is an internal link '''group'''. It directs to the list of all groups that you could join. When you join a group, you are responsible to do all the exercises ~~which are assigned to that~~ group.		In the left hand column, there is an internal link '''group'''. It directs to the list of all groups that you could join. When you join a group, you are responsible to do all the exercises of the group.

	[[File:codex-group.png\|thumb\|200px\|'''List of groups''']]		[[File:codex-group.png\|thumb\|200px\|'''List of groups''']]

	For ~~the sake of~~ MT talks, please join the group '''MT talks''' if you have not done it.(shown in ~~pictures~~: list of groups)		For MT talks exercises, please join the group '''MT talks''' if you have not done it yet (shown in picture: list of groups).




	== How to pick an exercise, solve it and submit your solution ==		== How to pick an exercise, solve it and submit your solution ==

Bojar: typo

2015-01-13T09:40:21Z

typo

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	* How to submit a solution for evaluation		* How to submit a solution for evaluation

	The individual ~~excercises~~ are described both in the CodEx system, as well as on the corresponding MT talk page here.		The individual exercises are described both in the CodEx system, as well as on the corresponding MT talk page here.

	== How to get a CodEx account ==		== How to get a CodEx account ==

Bojar: polishing intro paragraph

2015-01-13T09:39:34Z

polishing intro paragraph

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	~~Hi there~~,		When reading this page, you've probably already gone a long way in learning about machine translation. Nice work!

	~~You~~ are ~~reading this page~~, ~~so you've already gone~~ a ~~long way towards good preparation~~ of ~~MT tasks~~. ~~Nice work! There~~ are ~~only a couple of questions~~ to ~~answer before you could start your first tasks~~:		Our MT Talks are occasionally complemented with programming exercises. We invite you (and strongly recommend) to go beyond watching our videos and try solving some or all of these exercises. Pick a programming language from our choice, write the short program and submit it to our system for evaluation -- a set of fully automatic tests.

			The exercises are implemented in The Code Examiner ('''CodEx''', https://codex3.ms.mff.cuni.cz/codex-trans/). This page briefly describes how to use CodEx in general:

	* How to get a CodEx account		* How to get a CodEx account
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	* How to submit a solution for evaluation		* How to submit a solution for evaluation

	~~You heard~~ the ~~word '''~~CodEx~~''' (The Code Examiner: http://codex3.ms.mff.cuni.cz/). As you might know~~, ~~all~~ the ~~tasks of~~ MT ~~talks are designed in CodEx system. This~~ page ~~serves as a guide for newcomers who has little to no experience with CodEx~~.		The individual excercises are described both in the CodEx system, as well as on the corresponding MT talk page here.

	== How to get a CodEx account ==		== How to get a CodEx account ==

Tam.hoang at 14:53, 10 January 2015

2015-01-10T14:53:20Z

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	For every exercise, please read the specification carefully. You are asked to write a complete program (not just a function). The list of programming languages is: ''Pascal, C, C++, C#, Haskell, Python and Java''		For every exercise, please read the specification carefully. You are asked to write a complete program (not just a function). The list of programming languages is: ''Pascal, C, C++, C#, Haskell, Python and Java''

	You solution has to fit in one single file with standard input/output~~. The program takes only one parameter, which is the name of a input file~~.		You solution has to fit in one single file with standard input/output.

	To submit a solution, there are two ways:		To submit a solution, there are two ways:
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	Exercise '''Hello World!''': Your task is to write a program which read the name of a person and say 'Hello' to him/her.		Exercise '''Hello World!''': Your task is to write a program which read the name of a person and say 'Hello' to him/her.

	'''Input''': sample.in		'''Input''': << standard input >> < sample.in

	John		John
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	import java.io.BufferedReader;		import java.io.BufferedReader;
	import java.io.~~FileReader~~;		import java.io.InputStreamReader;
	import java.io.IOException;		import java.io.IOException;
	public class ~~helloworld~~{		public class CodEx{
	public static void main(String[] args) {		public static void main(String[] args) {
	BufferedReader br = null;		BufferedReader br = null;
	try {		try {
	br = new BufferedReader(new ~~FileReader~~(~~args[0]~~));		br = new BufferedReader(new InputStreamReader(System.in));
	String line;		String line;
	while ((line = br.readLine()) != null) {		while ((line = br.readLine()) != null) {
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	}		}

	Run: javac ~~helloworld~~.java; java ~~helloworld~~ sample.in		Run: javac CodEx.java; java CodEx < sample.in

			'''Notes''': If you choose Java to be your programming language, your program must not declare any package, the main class must be "CodEx". For other languages, please read the CodEx manual.

Tam.hoang at 23:53, 9 January 2015

2015-01-09T23:53:34Z

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	if __name__ == '__main__':		if __name__ == '__main__':
	for line in fileinput.input():		for line in fileinput.input():
	print "Hello ~~{0}!~~"~~.format(~~line.strip())		print "Hello " + line.strip() + "!"

	Run: ./helloworld.py sample.in		Run: ./helloworld.py sample.in

Tam.hoang at 23:17, 9 January 2015

2015-01-09T23:17:54Z

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	Marry and Kate		Marry and Kate

	'''Ouput''': <<standard output >>>		'''Ouput''': <<standard output >>

	Hello John!		Hello John!

Tam.hoang at 23:17, 9 January 2015

2015-01-09T23:17:22Z

← Older revision		Revision as of 23:17, 9 January 2015
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	After joining a group, you are able to see all the exercises assigned to that group.		After joining a group, you are able to see all the exercises assigned to that group.
	On left-handed sidebar, under '''group -> task''', you will see three options: ''specification, new submit, submits''. They mean ''read the specification, submit a new solution'' and ''manage old submissions'' respectively.		On the left-handed sidebar, under '''group -> task''', you will see three options: ''specification, new submit, submits''. They mean ''read the specification, submit a new solution'' and ''manage old submissions'' respectively.

	[[File:codex-submit.png\|thumb\|200px\|'''Submit a new solution''']]		[[File:codex-submit.png\|thumb\|200px\|'''Submit a new solution''']]
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	In the evaluation process, your program is run several times with several input to validate the correctness. You will pass if your program passes a ''threshold'' number of times.		In the evaluation process, your program is run several times with several input to validate the correctness. You will pass if your program passes a ''threshold'' number of times.

			On the left-handed sidebar, under '''group''', there are links to page '''results''' and '''bonus points''' where you can keep track of your results throughout the course.

	=== Example ===		=== Example ===

← Older revision		Revision as of 09:50, 13 January 2015
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	After joining a group, you are able to see all the exercises assigned to that group.		After joining a group, you are able to see all the exercises assigned to that group.
	On the left-handed sidebar, under '''group -> task''', ~~you will see~~ three options: ''specification, new submit, submits''. They mean ''read the specification, submit a new solution'' and ''manage old submissions'' respectively.		In the left-handed sidebar, under '''group -> task''', there are three options: ''specification, new submit, submits''. They mean ''read the specification, submit a new solution'' and ''manage old submissions'', respectively.

	[[File:codex-submit.png\|thumb\|200px\|'''Submit a new solution''']]		[[File:codex-submit.png\|thumb\|200px\|'''Submit a new solution''']]
	[[File:codex-eval.png\|thumb\|200px\|'''Manage your submissions''']]		[[File:codex-eval.png\|thumb\|200px\|'''Manage your submissions''']]

	For every exercise, please read the specification carefully. You are asked to write a complete program (not just a function). ~~The list~~ of programming languages is: ''Pascal, C, C++, C#, Haskell, Python and Java''		For every exercise, please read the specification carefully. You are asked to write a complete program (not just a function). You can pick any of these programming languages: ''Pascal, C, C++, C#, Haskell, Python and Java''

	~~You~~ solution has to fit in one single file ~~with~~ standard input/output.		Your solution has to fit in one single file and process standard input to standard output.

	To submit a solution, there are two ways:		To submit a solution, there are two ways:
	* Upload from text area: You write your solution into the text box, select the extension according to your programming language, then submit.		* Upload from text area: You write your solution into the text box directly on the web page, select the extension according to your programming language, then submit.
	* Upload from file: Simply write your solution into a file with an appropriate extension and submit		* Upload from file: Simply write your solution into a file with an appropriate extension, upload and submit it.

	In the evaluation process, your program is run several times with several ~~input~~ to validate the correctness. You will pass if your program passes a ~~''threshold''~~ number of ~~times~~.		In the evaluation process, your program is run several times with several inputs to validate the correctness. There are also built-in time and memory limits, which any sensible solution should easily meet. You will pass the exercise if your program passes a given number of these tests, we generally require to pass all the tests.

	On the left-handed sidebar, under '''group''', there are links to page '''results''' and '''bonus points''' where you can keep track of your results throughout the course.		In the left-handed sidebar, under '''group''', there are links to page '''results''' and '''bonus points''' where you can keep track of your results throughout the course.

	=== Example ===		=== Example ===

	Exercise '''Hello World!''': Your task is to write a program which ~~read the name~~ of ~~a person~~ and ~~say~~ 'Hello' to ~~him/her~~.		Exercise '''Hello World!''': Your task is to write a program which reads names of people and says 'Hello' to each of them. Each input line should be turned into a greeting.

	'''Input''': << standard input >> < sample.in		'''Input''': << standard input >> < sample.in
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	print "Hello " + line.strip() + "!"		print "Hello " + line.strip() + "!"

	~~Run~~: ./helloworld.py sample.in		To test it manually, run: ./helloworld.py sample.in

	'''Java'''		'''Java'''
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	}		}

	~~Run~~: javac CodEx.java; java CodEx < sample.in		To test it manually, run: javac CodEx.java; java CodEx < sample.in

	'''~~Notes~~''': If you choose Java to be your programming language, your program must not declare any package, the main class must be "CodEx". For other languages, please read the CodEx manual.		'''Note''': If you choose Java to be your programming language, your program must not declare any package, the main class must be "CodEx". For CodEx limitiations for other languages, please read the CodEx manual.