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  1. #include <iostream>
  2. #include <sstream>
  3. #include <vector>
  4. #include <algorithm>
  5. #include <iterator>
  6.  
  7. int main() {
  8. 	// Create string streams with same text as respective file.
  9.     std::istringstream fr1{"1\n2\n3\n4\n5\n6\n7"};
  10.     std::istringstream fr2{"1\n3\n6\n8\n10"};
  11.  
  12.     // Read number tokens into vector from both files.
  13.     std::vector<int> v{std::istream_iterator<int>{fr1}, std::istream_iterator<int>{}};
  14.     v.insert(std::begin(v), std::istream_iterator<int>{fr2}, std::istream_iterator<int>{});
  15.  
  16.     // Sort the vector.
  17.     std::sort(std::begin(v), std::end(v));
  18.  
  19.     // Remove consecutive duplicates (move them to back of vector).
  20.     auto end = std::unique(std::begin(v), std::end(v));
  21.  
  22.     // Remove duplicate elements.
  23.     if (end != std::end(v)) {
  24.         v.erase(end, std::end(v));
  25.     }
  26.  
  27.     // Output vector.
  28.     for (int i : v) {
  29.         std::cout << i << std::endl;
  30.     }
  31. }
Success #stdin #stdout 0s 3476KB
comments (?)
stdin 
Standard input is empty
stdout 
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https://ideone.com/86uge1
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
secret

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