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

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

       Input

         #include<stdio.h>

         #include<conio.h>

         main()

    {

int num,i=2,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 Even Numbers = %d”,s);

getch();

  }

Output

Enter a Limit of N = 5

Sum of all Even Numbers = 6