Sample codes in C and PHP

Sample 1: Sort

• Objective: Write a function that sorts a string of characters in alphabetical order to return it.

• Source: https://goo.gl/n2IzqN
• Screenshot: https://goo.gl/NkFVA4

Sample 2: Palindrome

• Objective: Using recursion (not a sequential loop) method call, write a function which takes in a string, and return a boolean value to tell whether the word is a palindrome. A palindrome is any word which reads the same when reversed.

• Source: https://goo.gl/wNfYo7
• Screenshot: https://goo.gl/WVlZO4

Sample 3: Reverse

• Objective: Write a function which takes in a string as a input and outputs a string in reverse.
• Source: https://goo.gl/INEGyn
• Screenshot: https://goo.gl/dzalt4

Sample 4: Remove Unique Items

• Objective: Given an array of strings, write a function that removes any duplicate values. You are not allowed to use built in functions.
• Script: https://goo.gl/qbavnI

Sample 5: Shortest Gap

• Objective: Given an array of 2 set of times. Write a function to find the shortest gap time between each set of times, and return it as minutes. (You can use built in functions for this one)
• Script: https://goo.gl/Uu1WEQ