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  1. #include <iostream>
  2. #include <iterator>
  3. #include <algorithm>
  4. #include <vector>
  5.  
  6.  
  7. int main() {
  8.    std::vector<int> U(41);
  9.    std::iota(std::begin(U), std::end(U), 0);
  10.  
  11.    std::vector<int> A { 1, 3, 4, 5, 10 };
  12.    std::vector<int> B { 3, 5, 7, 8, 9  };
  13.    std::vector<int> C { 3, 5, 6, 9, 10 };
  14.  
  15.    std::vector<int> AandB;
  16.    std::set_intersection(
  17.          std::begin(A), std::end(A)
  18.        , std::begin(B), std::end(B)
  19.        , std::back_inserter(AandB));
  20.  
  21.    std::vector<int> notAandB;
  22.    std::set_difference(
  23.          std::begin(U), std::end(U)
  24.        , std::begin(AandB), std::end(AandB)
  25.        , std::back_inserter(notAandB));
  26.  
  27.    std::vector<int> result;
  28.    std::set_intersection(
  29.          std::begin(notAandB), std::end(notAandB)
  30.        , std::begin(C), std::end(C)
  31.        , std::back_inserter(result));
  32.  
  33.    std::copy(
  34.          std::begin(result), std::end(result)
  35.        , std::ostream_iterator<int>(std::cout, " "));
  36.    std::cout << std::endl;
  37. }
Success #stdin #stdout 0s 3476KB
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6 9 10
https://ideone.com/E4zDw1
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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