#include <string>
#include <iostream>
int main()
{
char a[20] = "abc";
a[4] = 50;
std::string str1;
str1.assign(a, a +20);
for(char ch : str1)
{
std::cout << std::hex << (int) ch << " " ;
}
std::cout << std::endl;
return 0;
}
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