Write a Perl program ghici.pl, one of the simplest computer games. The program should generate a random integer between 1 and 1000 and asks the user to guess it. If the user ?nds the number, the program stops with a message. If not, the program adjusts the interval based on the user's guess and lets him try again. To generate a random integer, use function rand, documented in perldoc perlfunc.

despi@turing> ghici.pl
comp315@turing> ghici.pl
Enter a number between 1 and 1000: 1200
Please stay between 1 and 1000.
Enter a number between 1 and 1000: 500
Enter a number between 500 and 1000: 300
Please stay between 500 and 1000.
Enter a number between 500 and 1000: 750
Enter a number between 500 and 750: sir!
Please enter a number only.
Enter a number between 500 and 750: 625
Enter a number between 625 and 750: 684
Enter a number between 684 and 750: 712
Enter a number between 684 and 712: 694
Enter a number between 684 and 694: 689
Enter a number between 689 and 694: 692

You guessed it in 11 tries.

Notice how the program works:

• it uses a dichotomic search based on user's answer to adjust the limits.
• it tests if the answer is a number in between limits
• it counts the number of tries.

What features would you like to add to this program? Write them down as a comment in the source code of ghici.pl.

Posted Date: 3/12/2013 1:42:43 AM | Location : United States

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