C Program to Calculate the Sum of Odd and Even Numbers

/*
C Program to Calculate the Sum of Odd & Even Numbers
*/

#include <stdio.h>
 
void main()
{
    int i, num, odd_sum = 0, even_sum = 0;
 
    printf("Enter the value of num\n");
    scanf("%d", &num);
    for (i = 1; i <= num; i++)
    {
        if (i % 2 == 0){
		
            even_sum = even_sum + i;
			}
        else{
		
            odd_sum = odd_sum + i;
			}
    }
    printf("Sum of all odd numbers between 1 to %d = %d\n",num, odd_sum);
    printf("Sum of all even numbers between 1 to %d = %d\n",num, even_sum);
}

Enter the value of num
25
Sum of all odd numbers between 1 to 25 = 169
Sum of all even numbers between 1 to 25 = 156

--------------------------------
Process exited after 4.037 seconds with return value 46
Press any key to continue . . .