C Program to Find Sum of all Odd Numbers b/w 1 to n ?

Q:- Write a C Program to Find Sum of all Odd Numbers b/w 1 to n ?

      Input

        #include<stdio.h>

        #include<conio.h>

        main()

  {

int num,i=1,s=0;

clrscr();

printf(“Enter a Limit of N=”);

scanf(“%d”,&num);

while(i<=num)

{

s=s+i;

i=i+2;

}

printf(“Sum of all Odd Numbers = %d”,s);

getch();

   }

Output

Enter a Limit of N = 8

Sum of all Even Numbers = 16