#include <algorithm>
#include <iostream>
#include <iterator>
#include <vector>
template<typename T>
std::ostream & operator<<(std::ostream & os, std::vector<T> vec)
{
os<<"{ ";
std::copy(vec.begin(), vec.end(), std::ostream_iterator<T>(os, " "));
os<<"}";
return os;
}
int main()
{
std::vector<int> v1(6, 1);
std::vector<int> v2(4, 0);
std::cout<<v1<<"\n"<<v2<<"\n";
return 0;
}
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