usagi · January 13, 2014 07:35 · usagi · Jan 13, 2014
diff --git a/copy_if.cxx b/copy_if.cxx
 #include <algorithm>
 #include <vector>
 #include <iostream>

 int main()
 {
  using namespace std;
  
  vector<int> vs{0,1,2,3,4,5,6,7,8,9};
  auto i = copy_if(begin(vs), end(vs), begin(vs), [](int v){ return v%2==0; });
  vs.resize(distance(begin(vs), i));
  for(auto v: vs)
    cout << v << " ";
 }
	#include <algorithm>
	#include <vector>
	#include <iostream>

	int main()
	{
	using namespace std;

	vector<int> vs{0,1,2,3,4,5,6,7,8,9};
	auto i = copy_if(begin(vs), end(vs), begin(vs), [](int v){ return v%2==0; });
	vs.resize(distance(begin(vs), i));
	for(auto v: vs)
	cout << v << " ";
	}
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