gistfile1.cpp

// Informatik - Serie 8 - Aufgabe 87
// Programm: frequencies.cpp
// Autor:    Julian Viereck (Gruppe K)

#include<iostream>
#include<ios> // for std::noskipws

int main ()
{
  char t;
  unsigned int i;
  unsigned int count_chars[27];
  unsigned int count = 0;
  
  // Set all entries of count_chars to 0.
  for (i = 0; i < 27; ++i) {
    count_chars[i] = 0;
  }
	
	// Loop over all characters from the input stream.
  while (std::cin >> t) {
    ++count;
    if (t >= 65 && t <= 90) {
      ++count_chars[t - 65];
    }
    else if (t >= 97 && t <= 122) {
      ++count_chars[t - 97];
    }
    else {
      ++count_chars[26];
    }
  }
  
  std::cout << "Frequencies:\n";
  for (i = 0; i < 26; ++i) {
    t = 97 + i;
    std::cout << t << ":     " << count_chars[i] << " of " << count << "\n";
  }
  std::cout << "Other: " << count_chars[i] << " of " << count << "\n";    
  
  return 0;
}