gain access to cout, cin, and hex

 
#include <iostream>

using std::cout;
using std::cin;
using std::hex;

int main()
{
  int val;

  cout << "Enter a number: ";

  cin >> val;

  cout << "This is your number: ";

  cout << hex << val;

  return 0;
}

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gain access to cout, cin, and hex : Hexadecimal « Data Type « C++

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