#include <list>
#include <iterator>
#include <algorithm>
#include <iostream>
 
int main(int argc, const char *argv[])
{
    std::list<int> l { 1,2,3,4,5,6,7,8 };
    std::list<int> filtered;
 
    int threshold = 5; // user input?
    std::remove_copy_if(l.begin(), l.end(), std::inserter(filtered, filtered.end()), [threshold] (int i) { return i>threshold; });
 
    std::copy(filtered.begin(), filtered.end(), std::ostream_iterator<int>(std::cout, ", "));
    std::cout << "\n";
 
    return 0;
}
 

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