149 interfaces

Author: jakeheke75

Diff for: 19Interfaces_1.cpp

@@ -0,0 +1,32 @@
+#include <vector>
+#include <iostream>
+
+class AdvancedArithmetic {
+    public:
+    virtual int divisorSum(int n) = 0;
+};
+
+class Calculator : public AdvancedArithmetic {
+    public:
+    int divisorSum(int n) {
+        std::vector<int> divisors;
+        int i {n};
+        for (; i > 0; i--) {
+            if (n % i == 0)
+                divisors.push_back(i);
+        }
+        int divisorSum {0};
+        for (int n : divisors)
+            divisorSum += n;
+        return divisorSum;
+    }
+};
+
+int main() {
+    int n;
+    std::cin >> n;
+    AdvancedArithmetic *myCalculator {new Calculator()}; 
+    int sum {myCalculator->divisorSum(n)};
+    std::cout << "I implemented: AdvancedArithmetic\n" << sum << '\n';
+    return 0;
+}