#include <iostream>
#include <iomanip>
#include <sstream>
#include <string>
#include <algorithm>
using namespace std;
int main() {
int parameter=10;
std::stringstream ss;
unsigned char buffer[10];
ss << std::hex << std::showbase << parameter;
const string &s=ss.str();
*copy (s.cbegin(), s.cend(), buffer)='\0';
cout << buffer<<endl;
return 0;
}
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