Decimal to Hexadecimal Conversion

Q. 100. C++ program to convert a Decimal number to its Hexadecimal format.

Copy Code:

#include <iostream>

using namespace std;

int main()

{

  int i, n, m, a;

  char ch[20];

  cout << "Enter a Number : ";

  cin >> n;

  m = n;

  for ( i=0 ; n>0 ; ++i )

  {

     a = n%16;

     n = n/16;

     if (a<10)

     {

       ch[i] = a+48;

      }

      else

        ch[i] = a+55;

  }

  cout << "Hexadecimal Equivalent of " << m << " is : ";

  for ( i = i - 1 ; i >= 0 ; --i )

     cout << ch[i];

    

  return 0;

}