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  1. #include <iostream>
  2. #include <algorithm>
  3. #include <vector>
  4. #include <numeric>
  5. #include <initializer_list>
  6.  
  7. template <typename T>
  8. bool different(std::vector<T> list)
  9. {
  10.     if (list.size() > 1)
  11.     {
  12.         std::sort(list.begin(), list.end());
  13.  
  14.         for (auto i = list.begin(); i != list.end() - 1; ++i)
  15.             if (*i == *(i + 1))
  16.                 return false;
  17.     }
  18.  
  19.     return true;
  20. }
  21.  
  22. template <typename T>
  23. bool different(std::initializer_list<T> list)
  24. {
  25.     return different(std::vector<T>(list.begin(), list.end()));
  26. }
  27.  
  28.  
  29. int main()
  30. {
  31.     int a, b, c;
  32.     a = 3; b = 4; c = 4;
  33.  
  34.     std::cout << std::boolalpha << different({ a, b, c }) << '\n' ;
  35.  
  36.     a = 5, b = 3, c = 4;
  37.  
  38.     std::cout << different({ a, b, c }) << '\n';
  39. }
Success #stdin #stdout 0s 3472KB
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Standard input is empty
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false
true
https://ideone.com/DaYEEk
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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