Question

How can i do a Bitwise OR on strings?

A:
10001
01010
------
11011

Why on strings?
The Bits can have length of 40-50.Maybe this could be problematic on int ?
Any Ideas ?

Answer 1

I would say std::bitset is more than enough for your situation, but for more flexibility you can use boost::dynamic_bitset. Here is an example on std::bitset:

const size_t N = 64;
string a_str = "10001", b_str = "01010";
bitset<N> a(a_str), b(b_str);
bitset<N> c = a | b;

cout << c;