#include <iostream>
#include <string>
#include <vector>
using namespace std;
 
vector<uint8_t> HexToBytes(const string& hex) {
      vector<uint8_t> bytes;
      for (unsigned int i = 0; i < hex.length(); i += 2) {
        string byteString = hex.substr(i, 2);
        uint8_t byte = (uint8_t) strtol(byteString.c_str(), nullptr, 16);
        bytes.push_back(byte);
      }
      return bytes;
    }
 
int main() {
	vector<uint8_t> h = HexToBytes("0b7c28c9b7290c98d7438e70b3d3f7c848fbd7d1dc194ff83f4f7cc9b1378e98");
	for (auto c : h) {
		cout << hex << (int)c << " ";
	}
	cout << endl;
	return 0;
}

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