multiplication using differences

src/multiplication.c

@@ -132,6 +132,12 @@ int multiply_using_binary_enumeration(int num1, int num2) {
     return result;
 }
 
+int multiply_using_differences(int num1, int num2) {
+    int difference = (num1 > num2) ? num1 - num2 : num2 - num1;
+    int sum = (num1 > num2) ? num1 + num2 : num2 + num1;
+    return (sum - difference) * difference / 4;
+}
+
 
     
 

src/multiplication.h

@@ -20,6 +20,7 @@ int multiply_using_increment(int num1, int num2);
 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);
 
 
 #endif // MULTIPLICATION_H