#include<iostream>
#include<string>
struct free_throws
{
  std::string name;
  int made;
  int attempt;
  float percent;
};
void display(const free_throws & ft);
void set_pc(free_throws & ft);
free_throws & accumulate(free_throws & target, const free_throws & source);
int main()
{
  //partial initialization - remain members set to 0
  free_throws one = { "一",13,14 };
  free_throws two = { "二",10,16 };
  free_throws three = { "三",7,9 };
  free_throws four = { "四",5,9 };
  free_throws five = { "五",6,14 };
  free_throws team = { "六",0,0 };
  //no initialization
  free_throws dup;
  set_pc(one);
  display(one);
  accumulate(team, one);
  display(team);
  display(accumulate(team, two));
  accumulate(accumulate(team, three), four);
  display(team);
  dup = accumulate(team, five);
  std::cout << "Displaying team:\n";
  display(team);
  std::cout << "Displaying dup after assignment:\n";
  display(dup);
  set_pc(four);
  accumulate(dup, five) = four;
  std::cout << "Displaying dup after ill-advised assignment:\n";
  display(dup);
  system("pause");
  return 0;
}
void display(const free_throws & ft)
{
  using std::cout;
  cout << "Name: " << ft.name << std::endl;
  cout << "  Made: " << ft.made << '\t';
  cout << "Attempt: " << ft.attempt << '\t';
  cout << "Percent: " << ft.percent << std::endl;
}
void set_pc(free_throws & ft)
{
  if (ft.attempt != 0)
    ft.percent = 100.0f * float(ft.made) / float(ft.attempt);
  else
    ft.percent = 0;
}
free_throws & accumulate(free_throws & target, const free_throws & source)
{
  target.attempt += source.attempt;
  target.made += source.made;
  set_pc(target);
  return target;
}