Binary multiplication
Can sb give me a tip for recursive multiplication of two binary numbers (their lenght is 2^n)! I need only recursive to implement it in c++ code,

Re: Binary multiplication
What's recursive multiplication? Could you outline the algorithm, i.e. how would you do it on paper?

Re: Binary multiplication
x=xl * 2^(n/2)+xr (n=2^k, k e 1,2,3)
y=yl * 2^(n/2)+yr x*y=xl * 2^(n/2) * yl * 2^(n/2) + xl * 2^(n/2) * yr + xr*yl * 2^(n/2) + xr*yr how to implement that in c++ 
Re: Binary multiplication
Where are you stuck?
2^(n/2) appears to be a constant (let's say you put that in c), so the first equation x=xl*c+xr translates into C++ as x=xl*c+xr; You should be able to take it from there. 
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