TCS Coding Practice Question | Check Odd or Even

Given a number, the task is to check if this number is Odd or Even using Command Line Arguments. A number is called even if the number is divisible by 2 and is called odd if it is not divisible by 2. 👁 Image

Examples:

Input: 123
Output: No

Input: 588
Output: Yes

Approach:

• Since the number is entered as Command line Argument, there is no need for a dedicated input line
• Extract the input number from the command line argument
• This extracted number will be in string type.
• Convert this number into integer type and store it in a variable, say num
• Check if this number is completely divided by 2
• If completely divisible, the number is Even
• If not completely divisible, the number is Odd

Program:

Output:

• In C: 👁 Image
  
• In Java: 👁 Image
  

Time Complexity: O(1)
Auxiliary Space: O(1)