#include <iostream>
#include <vector>
#include <algorithm>
using std::cout;
using std::endl;
using std::vector;
int main()
{
vector<char> vec1 { ' ', 'c', '+', ' ', '+', ' ' }, vec2(6);
remove_copy(vec1.begin(), vec1.end(), vec2.begin(), ' ');
for (int i = 0; i < vec2.size(); i++)
cout << vec2[i];
cout << endl;
return 0;
}
/*
run:
c++
*/