Adding code for finding sum of digits of a number using recursion in C

c/Recursion/sum_of_digits_with_recursion.c

@@ -0,0 +1,28 @@
+//loop
+int sumOfDigits(int number)
+{
+    int sum = 0;
+    while(number != 0)
+    {
+        sum += (number % 10);
+        number /= 10;
+    }
+    return sum;
+}
+
+//recursive
+int recurSumOfDigits(int number)
+{
+    if(number == 0)
+        return 0;
+    return ((number%10) + sumOfDigits(number/10));
+}
+
+int main()
+{
+    int num;
+    printf("Enter number to be summed: ");
+    scanf("%d", &num);
+    printf("Digits summed: %d\n", sumOfDigits(num));
+    printf("Digits summed: %d", recurSumOfDigits(num));
+}