bla bla

uczelnia/2_semestr/programowanie/laby/lab9/zad7.cpp

@@ -0,0 +1,16 @@
+#include <iostream>
+class Wektor3d {
+  int x, y, z;
+
+public:
+  Wektor3d(int x, int y, int z) : x(x), y(y), z(z) {}
+  friend int iloczynSkalarny(const Wektor3d &w1, const Wektor3d &w2) {
+    return w1.x * w2.x + w1.y * w2.y + w1.z * w2.z;
+  }
+};
+
+int main() {
+  Wektor3d w1(1, 2, 3);
+  Wektor3d w2(3, 4, 5);
+  std::cout << iloczynSkalarny(w1, w2);
+}