C++ Bc. 36 cpp

#include <vector>
#include <algorithm>
#include <string>
#include <sstream>
#include <iostream>
#include <iomanip>

struct Student {
  int body;
  std::string hodnoceni;

  Student(std::string);
  bool operator< (const Student& s) const { return body < s.body; }
};

typedef std::vector<Student> Prehled;


int main()
{
  std::istringstream inp("Adam Jan      G61 : A 1 3 1 1 F 5 H 1 1 K 2 M N \n" 
                         "Soukup Petr   H62 : 1 1 1 D E 1 G H I J K L M N \n"
                         "Valenta Karel G66 : 2 3 4 2 3 4 5 5 1 1 5 5 1 1 \n" 
                         "Zachrta D.    H62 : A B C D E F G H I J K L M N \n");
  Prehled p;

  std::string zaznam;
  while (getline(inp, zaznam))
    {
      Student s(zaznam);
      p.push_back(s);
    }

  std::sort(p.begin(), p.end());

  for (Prehled::const_reverse_iterator i=p.rbegin(), e=p.rend(); i!=e; i++)
    {
      std::cout << std::setw(3) << i->body << "  " << i->hodnoceni << std::endl;
    }
}


Student::Student(std::string zaznam)
{
  for (int i=zaznam.size(); i>=0; i--)     // absence (A-N) je hodnocena 0 body
    if (zaznam[i] == ':')
      break;
    else
      switch (zaznam[i])
        {
        case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': case 'G':
        case 'H': case 'I': case 'J': case 'K': case 'L': case 'M': case 'N':
          zaznam[i] = '0';
        default:
          ;
        }

  hodnoceni = zaznam;
  body = 0;

  std::istringstream data(zaznam);
  char z;
  while (data >> z && z != ':');           // preskocim textovou cast

  int cviceni;
  while (data >> cviceni) body += cviceni; // nactu body ze cviceni
}

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