initial commit

C++/lesson5/task1.cpp

@@ -0,0 +1,14 @@
+#include <iostream>
+#include <string>
+
+void addOne(int &x) {
+    x = x + 1;
+}
+
+int main() {
+    int a = 7;
+    std::cout << "a = " << a << '\n';
+    addOne(a);
+    std::cout << "a = " << a << '\n';
+    return 0;
+}