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  1. #include <iostream>
  2. #include <vector>
  3. #include <algorithm>
  4. #include <random>
  5.  
  6.  
  7. template<template<class,class...> class C, typename T, typename... Args>
  8. void no_dupes(C<T,Args...>& con)
  9. {
  10.     auto it_last = std::end(con);
  11.     for (auto it = std::begin(con); it != it_last; ++it)
  12.         it_last = std::remove(std::next(it), it_last, *it);
  13.     con.erase(it_last, std::end(con));
  14. }
  15.  
  16. int main()
  17. {
  18.     std::random_device rd;
  19.     std::default_random_engine rng(rd());
  20.     std::uniform_int_distribution<> dist(1,8);
  21.     std::function<int()> gen = [&](){ return dist(rng);};
  22.  
  23.     // build random vector
  24.     std::vector<int> data;
  25.     data.reserve(40);
  26.     std::generate_n(std::back_inserter(data), data.capacity(), gen);
  27.     for (auto x : data)
  28.         std::cout << x << ' ';
  29.     std::cout << std::endl;
  30.  
  31.     // remove dupes
  32.     no_dupes(data);
  33.     for (auto x : data)
  34.         std::cout << x << ' ';
  35.     std::cout << std::endl;
  36.  
  37.     return 0;
  38. }
  39.  
Success #stdin #stdout 0s 3476KB
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stdin
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Standard input is empty
stdout
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1 3 3 7 5 5 4 5 8 2 7 3 4 5 4 8 3 3 7 3 2 6 8 8 1 2 2 7 7 7 4 1 5 7 1 5 8 2 4 4 
1 3 7 5 4 8 2 6
https://ideone.com/ArsKOa
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
secret

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