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  1. #include <iostream>
  2. #include <vector>
  3.  
  4. int main() {
  5. 	std::vector<int> a{6, 10, 14, 20};
  6.     std::vector<int> b{4, 8, 16, 20};
  7.  
  8.     std::vector<int> result;
  9.     result.reserve(a.size() + b.size());
  10.  
  11.     auto aIt = a.cbegin();
  12.     auto bIt = b.cbegin();
  13.  
  14.     while(aIt != a.cend() && bIt != b.cend())
  15.     {
  16.     	if((aIt != a.end()) && ((*aIt < *bIt) || (bIt == b.end())))
  17.     	{
  18.     		if(result.size() == 0 || *aIt != result.back())
  19.     		{
  20.     			result.push_back(*aIt);
  21.     		}
  22.     		++aIt;
  23.     	}
  24.     	else
  25.     	{
  26.     		if(result.size() == 0 || *bIt != result.back())
  27.     		{
  28.     			result.push_back(*bIt);
  29.     		}
  30.     		++bIt;
  31.     	}
  32.     }
  33.  
  34.     for(int& i : result)
  35.     {
  36.     	std::cout << i << std::endl;
  37.     }
  38.  
  39. 	return 0;
  40. }
Success #stdin #stdout 0s 3464KB
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stdin
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Standard input is empty
stdout
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4
6
8
10
14
16
20
https://ideone.com/Alg9J1
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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