language: C++ 4.7.2 (gcc-4.7.2)
date: 163 days 5 hours ago
link:
visibility: private
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#include <iostream>
#include <string>
#include <boost/algorithm/string/erase.hpp>
 
int main()
{
    std::string s = "9X^3 + 5X";
    boost::erase_all(s, " ");
    std::cout << s << '\n';
}