hex

ios_base& hex ( ios_base& str );

Use hexadecimal base

Parameters

str

Stream object where to apply.
Because this function is a manipulator, it is designed to be used alone with no arguments in conjunction with the insertion (<<) and extraction (>>) operations on streams (see example below).

Return Value

Example

// modify basefield
#include <iostream>
using namespace std;
int main () {
  int n;
  n=70;
  cout << hex << n << endl;
  cout << dec << n << endl;
  cout << oct << n << endl;
  return 0;
}

46
70
106

See also