Question

How to convert string to hexadecimal and store it into a vector with C++

Answer 1

#include <iostream>
#include <sstream>
#include <vector>

int main()
{
    std::string s = "C++ Programming";

    std::vector <std::string> v;

    for (size_t i = 0; i < s.size(); i++) {
        std::ostringstream oss;
        oss << std::hex << (int) s[i];
        v.push_back(oss.str());
    }

    for (size_t i = 0; i < s.size(); i++) {
        std::cout << v[i] << " ";
    }
    
    return 0;
}




/*
run:

43 2b 2b 20 50 72 6f 67 72 61 6d 6d 69 6e 67 

*/

 

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