Question

How to convert char array to hexadecimal in string C++

Answer 1

#include <iostream>
#include <sstream>

int main() {
    char array[] = {'a', 'b', 'c', 'd', 'e', 'x', 'y'};
    int len = sizeof(array)/sizeof(array[0]);
    
    std::stringstream ss;
    
    for (int i=0; i < len; i++)
        ss << std::hex << (int)array[i];

    std::string s = ss.str();
        
    std::cout << s;
    
    return 0;
}



  
/*
run:
  
61626364657879 
 
*/

 

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