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CM2005 Object Oriented Programming/Topic 1/1.7.1/main.cpp

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+#include <iostream>
+
+int difference(int a, int b);
+
+void printHello()
+{
+  std::cout << "Hello" << std::endl;
+}
+
+/** compute the average of x and y**/
+float average(float x, float y)
+{
+  float sum;
+  sum = x+y;
+  return (x+y)/2;
+}
+
+int main()
+{
+  printHello();
+  float a = average(15, 23);
+  std::cout << a << std::endl;
+  int c = difference(10, 7);
+  std::cout << c << std::endl;
+  return 0;
+}

CM2005 Object Oriented Programming/Topic 1/1.7.1/side.cpp

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+#include <iostream>
+
+int difference(int a, int b)
+{
+  return a-b;
+}