C Program to find whether the last digit of given number is divisible by 3

Description

Get a number num and check whether last digit of num is divisible by three.
Input:
27
Ouput:
last digit not Divisible by 3
Input:
43
Ouput:
last digit divisible by 3

Solution

#include<stdio.h>
int main()
{
	int num,digit;
	printf("Enter a number:");
	scanf("%d"&num);
	digit=num%10;
	if(digit%3==0)
	{
		printf("%d is divisible by 3",digit);
	}
	else
	{
		printf("%d is not divisible by 3",digit);
	}
	return 0;
}

We are Teaching "Web Development using Python" through Online.

View Tutor Profile and Course Syllabus

Explanation

Get input num from user using scanf statement

extract last digit from num using the expression digit=num%10.

check whether the remainder of digit divided by 3 is equal to 0 using if statement.

if it is 0, then print tdig is divisible by 3 using printf statement. Else print digit is not divisible by 3 using printf statement.



Note: any number modulus of 10 gives last digit of number.
Ramesh P Natarajan

Author - Ramesh P Natarajan

Software Developer and Technology Trainer, very much passionate in the field of Software Application Development, Machine Learning and Search Engine Optimization.

Write to: [email protected]





Interesting Pattern Programs: for more Patterns

Input:
5
Output:
*
**
***
****
*****
****
***
**
*Solution
Input:
5
Output:
    *
   ***
  *****
 *******
*********
 *******
  *****
   ***
    *Solution
Input:
5
Output:
*        *
**      **
***    ***
****  ****
**********Solution
Input:
5
Output:
*       *
**     **
***   ***
**** ****
*********Solution
Input:
5
Output:
*       *
**     **
***   ***
**** ****
*********
**** ****
***   ***
**     **
*       *Solution
Input:
5
Output:
*********
 *******
  *****
   ***
    *
   ***
  *****
 *******
*********Solution