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jScript Daily (February 19, 2017)

 

Date 2011/4/10
Name BullsAndCows
Description A number guessing game written in jScript
Filename BullsAndCowsJScript.js
Content
  1. Print the following message:
    Bulls and Cows
    ==============
    This is an ancient game with guessing numbers.
  2. Draw 4-digit random number.
  3. Print the following message:
    A secret number of 4-digit has been draw!
  4. Obtain a 4-digit number or "quit" from user by prompting following message repeatly:
    Please enter a 4-digit number (or type 'quit' to exit):
  5. If the input is "quit" show the following message (replace 0000 with the actual number being drawed
    The secret number is: 0000
  6. Show the number of digit(s) that have correct position as bull and the number of digit(s) that appeared without exact position as cow. For instance: The random number is 1234 and the user input 1355. Exact position: "1", appeared without exact position: "3". The system should display the following message:
    1 bull 1 cow
  7. If no digit found n the random number, the following should be shown instead:
    Neither a bull nor a cow!
  8. On the other hand, if the user guess the 4 digits correctly, the system should show the following message instead:
    4 bulls! You are a genius!
  9. Ask the user to play again if 4 digits have been guessed correctly by showing the following message:
    Do you want to play a new game (Y/N)?
  10. Show the following message if user has chosen to quit the program:
    Thank you for playing Bulls and Cows!
Sample Input:  
Sample Output:  
Expected Test Command: cscript BullsAndCowsJScript.js

WScript.StdOut.WriteLine("Bulls and Cows");
WScript.StdOut.WriteLine("==============");
WScript.StdOut.WriteLine("This is an ancient game with guessing numbers.");
var playNextGame=true,ans;
do{
	var secretDigit=[];
	for(var i=0;i<4;i++)
		secretDigit.push(parseInt(Math.random()*10));
	WScript.StdOut.WriteLine("A secret number of 4-digit has been draw!");
	var regex=/^\d{4}$|^quit$/,bull;
	do{
		do{
			WScript.StdOut.Write("Please enter a 4-digit number (or type 'quit' to exit):");
			ans=(""+WScript.StdIn.ReadLine()).replace(/^\s+|\s+$/g,"");
		}while(!regex.test(ans));
		if(ans=="quit"){
			WScript.StdOut.WriteLine("The secret number is: "+secretDigit.join(""));
		}else{
			var arr=[],cow=0;
			bull=0;
			ans.replace(/\d/g,function(s){
				arr.push(parseInt(s))
			});
			for(var i=0;i<4;i++){
				if(arr[i]==secretDigit[i])
					bull++;
			}
			for(var i=0;i<4;i++)
				for(j=0;j<4;j++)
					if(arr[j]==secretDigit[i]){
						cow++;
						arr[j]=-1;
						break;
					}
			cow-=bull;
			var msg="";
			if(cow==0 && bull==0){
				msg="Neither a bull nor a cow!";
			}else {
				if(bull==4){
					msg="4 bulls! You are a genius!";
				}else{
					if(cow==0){
						if(bull==1)
							msg="1 bull only.";
						else
							msg=bull+" bulls only.";
					}else if(bull==0){
						if(cow==1)
							msg="1 cow only.";
						else
							msg=cow+" cows only.";
					}else {
						if(bull==1)
							msg="1 bull and ";
						else
							msg=bull+" bulls and ";
						if(cow==1)
							msg+="1 cow.";
						else
							msg+=cow+" cows.";
					}
				}
			}
			WScript.StdOut.WriteLine(msg);
		}
	}while(bull!=4 && ans!="quit");
	if(ans!="quit")
		do{
			WScript.StdOut.Write("Do you want to play a new game (Y/N)?");
			playNextGame=WScript.StdIn.ReadLine();
		}while(playNextGame!="Y" && playNextGame!="N" && playNextGame!="y" && playNextGame!="n");
}while((playNextGame=="Y" || playNextGame=="y") && ans!="quit");
WScript.StdOut.WriteLine("Thank you for playing Bulls and Cows!");


Date 2011/4/9
Name Add Two Numbers
Description Add Two Numbers using JScript
Filename AddTwoNumJScript.js
Content
  1. Using the Standard input stream to enter different numbers or text
  2. Find two integers each time and,
  3. Display output the sum to the standard output stream.
  4. Repeat the all the steps until an EOF (End of File) signal received
Sample Input: 123 3.5 dsfasd 4 fdsafds 6
Sample Output: 126 0
Expected Test Command: cscript AddTwoNumJScript.js < testdata.txt

var nCount=0,total=0;
while(!WScript.StdIn.AtEndOfStream){
	var temp=WScript.StdIn.ReadLine(),
		arr=temp.split(/\s+/g);
	for(var i=0;i<arr.length;i++){
		var val=parseInt(arr[i]);
		if(!isNaN(val)){
			if(nCount%2==0)
				total=val;
			else{
				total+=val;
				WScript.StdOut.Write(total+" ");
			}
			nCount++;
		}
	}
}


Date 2011/4/9
Name Add Two Numbers
Description Add Two Numbers by Window Scripting File using JScript
Filename AddTwoNumJScript.wsf
Content
  1. Using the Standard input stream to enter different numbers or text
  2. Find two integers each time and,
  3. Display output the sum to the standard output stream.
  4. Repeat the all the steps until an EOF (End of File) signal received
Sample Input: 123 3.5 dsfasd 4 fdsafds 6
Sample Output: 126 0
Expected Test Command: cscript AddTwoNumJScript.wsf < testdata.txt

<?xml version="1.0"?>
<package>
<job id="AddTwoNumJScript">
<script language="JScript">
<![CDATA[
var nCount=0,total=0;
while(!WScript.StdIn.AtEndOfStream){
	var tempStr=WScript.StdIn.readLine(),
		arr=tempStr.split(/\s+/g);
	for(var i=0;i<arr.length;i++){
		if(!isNaN(arr[i])){
			if(nCount++ % 2==0){
				total=parseInt(arr[i]);
			}else{
				total+=parseInt(arr[i]);
				WScript.StdOut.write(total+" ");
			}
		}
	}
}
]]>
</script>
</job>
</package>


Date 2011/4/8
Name Hello Friend
Description Ask user's name and echo greeting message to user using JScript
Filename HelloFriendJScript.js
Content
  1. Using the Standard output stream to prompt your:"Your name?"
  2. Then use the input stream to receive input from user.
  3. Display the greeting message "Hello, [user name]!" using standard output stream.
  4. Repeat all the steps until users press CTRL-Z (MS windows) or CTRL-D (Mac) or receive the EOF signal.
Sample Input: Peter Pan
Sample Output: Hello, Peter Pan!
Expected Test Command: cscript HelloFriendJScript.js < testdata.txt

WScript.StdOut.write("Your name?");
do{
	name=WScript.StdIn.readLine();
	WScript.StdOut.writeline("Hello, "+name+"!");
	WScript.StdOut.write("Your name?");
}while(!WScript.StdIn.AtEndOfStream);


Date 2011/4/8
Name Hello Friend
Description Ask user's name and echo greeting message to user by Window Scripting File using JScript
Filename HelloFriendJScript.wsf
Content
  1. Using the Standard output stream to prompt your:"Your name?"
  2. Then use the input stream to receive input from user.
  3. Display the greeting message "Hello, [user name]!" using standard output stream.
  4. Repeat all the steps until users press CTRL-Z (MS windows) or CTRL-D (Mac) or receive the EOF signal.
Sample Input: Peter Pan
Sample Output: Hello, Peter Pan!
Expected Test Command: cscript HelloFriendJScript.wsf < testdata.txt

<?xml version="1.0"?>
<package>
<job id="HelloFriendJScript">
<script language="JScript">
<![CDATA[
WScript.StdOut.write("Your name?");
while(!WScript.StdIn.AtEndOfStream){
	var name=WScript.StdIn.ReadLine();
	WScript.StdOut.WriteLine("Hello, "+name+"!");
	WScript.StdOut.Write("Your name?");
}
]]>
</script>
</job>
</package>


Date 2011/4/7
Name Hello World
Description Display greeting message to user using JScript
Filename HelloWorldJScript.js
Content
  1. Display the greeting message "Hello, World!" using standard output stream.
Sample Input:  
Sample Output: Hello, World!
Expected Test Command: cscript HelloWorldJScript.js

WScript.StdOut.WriteLine("Hello, World!");


Date 2011/4/7
Name Hello World
Description Display greeting message to user using JScript
Filename HelloWorldJScript.wsf
Content
  1. Display the greeting message "Hello, World!" using standard output stream by Windows Scripting File using JScript
Sample Input:  
Sample Output: Hello, World!
Expected Test Command: cscript HelloWorldJScript.wsf

<?xml version="1.0"?>
<package>
<job id="HelloWorldJScript">
<script language="JScript">
<![CDATA[
WScript.StdOut.WriteLine("Hello, World!");
]]>
</script>
</job>
</package>

6502 MPU and assembly


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