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May 17th, 2015
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C++ 0.84 KB | None | 0 0
  1. #include <algorithm>
  2. #include <iostream>
  3. #include <vector>
  4.  
  5. const int max = 10;
  6.  
  7. int number_from_input()
  8. {
  9.   int number;
  10.   while (true)
  11.   {
  12.     std::cout << "Bitte geben Sie eine Zahl von 1 bis 100 ein: ";
  13.     std::cin >> number;
  14.     if (number >= 1 && number <= 100) break;
  15.     std::cout << number << " war ein falscher Wert!" << std::endl;
  16.   }
  17.   return number;
  18. }
  19.  
  20. int unique_number(const std::vector<int>& numbers)
  21. {
  22.   while (true)
  23.   {
  24.     int number = number_from_input();
  25.     if (std::find(numbers.begin(), numbers.end(), number) == numbers.end()) return number;
  26.     std::cout << "Die Zahl " << number << " war schon im Array vorhanden." << std::endl;
  27.   }
  28. }
  29.  
  30. int main()
  31. {
  32.   std::vector<int> numbers(max, -1);
  33.   std::generate(numbers.begin(), numbers.end(), [&numbers](){ return unique_number(numbers); });
  34.   return 0;
  35. }
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