Update Factorial.c

[gregbo]

• Declared int main() to suppress compiler warning
• Refactored main() so check for negative input needs to be made only once
• Updated comment to indicate the program uses an iterative method

[gregbo]

Recreated Sort Bubble.c with the following changes:

• Declared int main() to suppress compiler warning
• Added bounds checking on input array

No need to merge the deletes and adds between 12e16bb and dcdffb2

[gregbo]

• Declared int main() to suppress compiler warning
• Added check for input to be a positive integer

[gregbo]

• Declared int main() to suppress compiler warning
• Determined array size of initial call to sumEven() at runtime

[gregbo]

Refactored to use an array of const char* instead of individual case statements for ease in maintainability

[gregbo]

s/nums/words

[gregbo]

• Declared int main() to suppress compiler warning
• Added code to handle input reaching EOF before a newline

[gregbo]

• Declared int main() to suppress compiler warning
• Added code to handle zero and negative numbers
• Refactored to use labs() to compute absolute values of long ints

[gregbo]

Modified to exit with status 0 since quitting from the menu is normal termination

[gregbo]

Modified to exit with status 0 since quitting from the menu is normal termination