- Write a C program to check whether it is odd or even number using switch case statement.
- How to check a number is odd or even in C.
Required Knowledge
- C printf and scanf functions
- Switch case statement in C
Any numbers divisible by 2 are even numbers whereas numbers which are not divisible by 2 are odd numbers. Any even number can be represented in form of (2*N) whereas any odd number can be represented as (2*N + 1). Even Numbers examples: 2, 6 , 10, 12 Odd Number examples: 3, 5, 9 ,15
C program to check a number is Even of Odd using switch case statement

#include <stdio.h>
#include <conio.h>
int main() {
int num;
/* Take a number as input from user
using scanf function */
printf("Enter an Integer\n");
scanf("%d", &num);
switch(num%2) {
/* Even numbers completely are divisible by 2 */
case 0: printf("%d is Even", num);
break;
/* Odd numbers are not divisible by 2 */
case 1: printf("%d is Odd", num);
break;
}
getch();
return 0;
}
Output
Enter an Integer 8 8 is Even
Enter an Integer 5 5 is Odd