It works but the output is broken :)

Semester 3/Assignments/functions/functions.cpp

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+/*
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
+ * Click nbfs://nbhost/SystemFileSystem/Templates/cppFiles/main.cc to edit this template
+ */
+
+/* 
+ * File:   functions.cpp
+ * Author: caleb
+ *
+ * Created on March 1, 2024, 10:07 AM
+ */
+
+#include <cstdlib>
+#include <iostream>
+
+using namespace std;
+#include "functions.h"
+
+int global = 0;
+
+void f1() {
+    cout << "f1()" << endl;
+    global++;
+    f2();
+}
+
+void f2() {
+    cout << "f2()" << endl;
+    global++;
+}
+
+void passByReference(int& x) {
+    global++;
+    x = 100;
+}
+
+void staticVarFunction() {
+    static int staticInt = 10;
+    staticInt++;
+    cout << staticInt << endl;
+}
+
+int& returnReference (int & x) {
+    x++;
+    return x;
+}