C++ bitset to_ulong() Function

C++ bitset to_ulong() is used to convert the contents of the bitset to an unsigned long integer. It returns an unsigned long with the integer value that has the same bits set as the bitset.

Syntax

Parameter

It does not take any parameter.

Return value

It returns an Integer value with the same bit representation as the bitset object.

Example 1

#include <iostream>
#include <bitset>
using namespace std;
int main()
{
  bitset<5> b;
  b.set();
  cout << b << " as an integer is : " << b.to_ulong();
   return 0;
}

Output:

11111 as an integer is : 31

Example 2

#include <iostream>
#include <bitset>
using namespace std;
int main()
{
  bitset<6> b(string("011011"));
  b.set();
  int a=b.to_ulong();
  cout << b << " as an integer is : " << a;
   return 0;
}

Output:

111111 as an integer is : 63

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C++ Bitset Function