C Program to Print Odd Numbers from 1 to N

How to write a C Program to Print Odd Numbers from 1 to N using For Loop and While Loop?.

C Program to Print Odd Numbers from 1 to N using For Loop

This C program to Print Odd Numbers from 1 to N allows the user to enter the maximum limit value. Next, it is going to print the list of all odd numbers from 1 to user-entered value.

/* C Program to Print Odd Numbers from 1 to N using For Loop and If */
 
#include<stdio.h>
 
int main()
{
  	int i, number;
 
  	printf("\n Please Enter the Maximum Limit Value :  ");
  	scanf("%d", &number);
  
  	printf("\n Odd Numbers between 1 and %d are : \n", number);
  	for(i = 1; i <= number; i++)
  	{
    	if ( i % 2 != 0 ) 
    	{
  			printf(" %d\t", i);
    	}
  	}
 
  	return 0;
}

OUTPUT

ANALYSIS

Within this Program to Print Odd Numbers from 1 to N example, For Loop will make sure that the number is between 1 and maximum limit value.

for(i = 1; i <= number; i++)

In the Next line, We declared the If statement

if ( number % 2 != 0 )

Any number that is not divisible by 2 is an Odd number. If condition will check whether the remainder of the number divided by 2 is not equal to 0 or not. If the condition is True, then it is an Odd number, and the compiler will print i value.

Program to Print Odd Numbers from 1 to N without If Statement

This program to Print Odd Numbers from 1 to N in c is the same as the above but, we just altered the for loop to eliminate If statement.

If you observe the below code snippet, We started i from 1 and incremented it by 2 (not 1). It means, for the first iteration, i will be 1, and for the second iteration, i will be 3 (not 2), etc.

/* C Program to Print Odd Numbers from 1 to N using For Loop */
 
#include<stdio.h>
 
int main()
{
  	int i, number;
 
  	printf("\n Please Enter the Maximum Limit Value : ");
  	scanf("%d", &number);
  
  	printf("\n Odd Numbers between 1 and %d are : \n", number);
  	for(i = 1; i <= number; i= i+2)
  	{
		printf(" %d\t", i);
  	}
 
  	return 0;
}

OUTPUT

C Program to Print Odd Numbers from 1 to 100 using While Loop

This Print Odd Numbers from 1 to N is the same as above. We just replaced the For Loop with While Loop.

/* C Program to Print Odd Numbers from 1 to N using While Loop */
 
#include<stdio.h>
 
int main()
{
  	int i = 1, number;
 
  	printf("\n Please Enter the Maximum Limit Value : ");
  	scanf("%d", &number);
  
  	printf("\n Odd Numbers between 1 and %d are : \n", number);
  	while(i <= number)
  	{
		printf(" %d\t", i);
		i = i + 2;
  	}
 
  	return 0;
}

OUTPUT

Program to Print Odd Numbers in a Given Range

This program allows the user to enter Minimum and maximum value. Next, the C program will print a list of all even numbers between Minimum value and maximum value.

/* C Program to Print Even Numbers within a Range */
 
#include<stdio.h>
 
int main()
{
  	int i, Minimum, Maximum;
 
  	printf("\n Please Enter the Minimum Limit Value :  ");
  	scanf("%d", &Minimum);

  	printf("\n Please Enter the Maximum Limit Values :  ");
  	scanf("%d", &Maximum);  
  
  	if ( Minimum % 2 == 0 ) 
    {
    	Minimum++;
    }
  
  	printf("\n Odd Numbers between %d and %d are : \n", Minimum, Maximum);
  	for(i = Minimum; i <= Maximum; i= i+2)
  	{
    	printf(" %d\t", i);
  	}
 
  	return 0;
}

OUTPUT