To display even and odd numbers from 1 to given number by using while loop

 Program:

#include<stdio.h>

#include<conio.h>

void main()

{

    int n, i;

    printf("Enter any Number : ");

    scanf("%d", &n);

    printf("\n\nEven Numbers from  1 to %d  is : \n\n ", n);

    i=1;

    while (i<=n)

    {

        if(i%2==0)

        printf("\t%d", i);

        i++;

    }

    printf("\n\nOdd Numbers from  1 to %d  is : \n\n ", n);

    i=1;

    while (i<=n)

    {

        if(i%2!=0)    

        printf("\t%d", i);

        i++;

    }

    getch();

}

Output:

Enter any Number  : 10

Even Numbers from 1 to 10 is :

    2    4    6    8    10

Odd Numbers from 1 to 10 is :

    1    3    5    7    9

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