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#include <algorithm>
#include <iostream>
#include <vector>
#include "closer_to.hh"
void print_elt(int i)
{
std::cout << ' ' << i;
}
int main()
{
auto v = std::vector<int>{ 1, 2, 3, 4, 5 };
std::cout << "Unsorted vector:";
std::for_each(v.begin(), v.end(), print_elt);
std::cout << '\n';
auto n = 3;
std::sort(v.begin(), v.end(), CloserTo(n));
std::cout << "Sorted vector closed to " << n << ':';
std::for_each(v.begin(), v.end(), print_elt);
std::cout << '\n';
return 0;
}
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