multiplication recursive optimized

src/multiplication.c

@@ -138,6 +138,18 @@ int multiply_using_differences(int num1, int num2) {
     return (sum - difference) * difference / 4;
 }
 
+int multiply_recursive_optimized(int num1, int num2) {
+    if (num2 == 0) {
+        return 0;
+    }
+    int result = multiply_recursive_optimized(num1, num2 >> 1);
+    result <<= 1;
+    if (num2 & 1) {
+        result += num1;
+    }
+    return result;
+}
+
 
     
 

src/multiplication.h

@@ -21,6 +21,7 @@ int multiply_by_prime_and_its_square(int num, int prime);
 int multiply_by_odd(int num, int factor);
 int multiply_using_binary_enumeration(int num1, int num2);
 int multiply_using_differences(int num1, int num2);
+int multiply_recursive_optimized(int num1, int num2);
 
 
 #endif // MULTIPLICATION_H