2. You are given a quantum blackbox for a function f : {0,1}" + {0,1} that is known to have precisely 2" or 2n2 zeros. Design an exact quantum algorithm that decides which is the case using a single oracle query. 2. You are given a quantum blackbox for a function f : {0,1}" + {0,1} that is known to have precisely 2" or 2n2 zeros. Design an exact quantum algorithm that decides which is the case using a single oracle query