/**
 * @file scopes.cpp
 * @author Jeffrey Bergamini for CS 19 Boot Camp, jeffrey.bergamini@cabrillo.edu
 *
 * Let's see how much you understand/remember about scope and lifetime in C++!
 */

#include <iostream>

int x;

void f1() {
  x = 2;
  std::cout << x << '\n';
}

void f2(int x) {
  std::cout << x << '\n';
  {
    int x;
    x = 4;
    std::cout << x << '\n';
  }
  x = 5;
  std::cout << x << '\n';
}

int main() {
  x = 1;
  std::cout << x << '\n';
  f1();
  std::cout << x << '\n';
  f2(3);
  std::cout << x << '\n';
  int x;
  x = 6;
  std::cout << x << '\n';
}