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// numpunct::thousands_sep example
#include <iostream> // std::cout
#include <locale> // std::locale, std::numpunct, std::use_facet
int main ()
{
int q=10077;
char separator = std::use_facet< std::numpunct<char> >(std::cout.getloc()).thousands_sep();
std::cout << q/1000 << separator;
std::cout.width(3); std::cout.fill ('0');
std::cout << q%1000 << '\n';
return 0;
}
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