# COEN 79L – Getting Started Lab 1

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COEN 79L – Getting Started
Lab 1:
• Program 1: count the input characters.
In this program you will ask the user to enter some text. The user may input any
combination of alphanumeric and non-alphanumeric characters.
Your program should count each category and tell the user how many of each they entered.
Example:
“Hello World” has 10 alphanumeric characters and 0 non-alphanumeric characters.
• Program 2: string of numbers and its reverse
In this program you will ask your user to enter a string 10 numbers with no space in
between. You will print the numbers and it reverse according to the following example
Please type a string of 10 digits (0 to 9) with no space
0123456789 9876543210
0123456789 9876543210
0123456789 9876543210
0123456789 9876543210
0123456789 9876543210
• Program 3:
In this program, your program reads a text file and output erases all non-alphabetical
characters and for all words larger than 10 characters, converts them to uppercase and
prints on the screen (use: cout)
For example, if the file input contains:
1_counter.exe compiled successfully.
1_counter.exe got correct output.
Exit code: 0
2_pattern.exe compiled successfully.
2_pattern.exe got correct output.
Exit code: 0
3_convert.exe compiled successfully.
3_convert.exe got correct output.
Exit code: 1
>./a.out input
will generate the following output on the screen
COUNTEREXE
SUCCESSFULLY
COUNTEREXE
PATTERNEXE
SUCCESSFULLY
PATTERNEXE
CONVERTEXE
SUCCESSFULLY
CONVERTEXE
• Program 4
Write a function that ask the user to think about a number between 1 and 20. Use
successive guesses to find that number.
An output of the system can be the following:
Ø Think of a number between 1 and 20. Press enter when you are ready.
Ø Is the number 1? Y or N // if the user wrote anything but Y or N (y or n , yes or no is
also acceptable), tell the user to only enter Y or N.
Ø Is the number 5? Y or N //if the user entered N
Ø I Found the number in <number> steps //if the user entered Y

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