C++ Language

You are given 4n sticks, the length of the i-th stick is a;. You have to create n rectangles, each rectangle will consist of exactly 4 sticks from the given set. The rectangle consists of four sides, opposite sides should have equal length and all angles in it should be right. Note that each stick can be used in only one rectangle. Each stick should be used as a side, you cannot break the stick or use it not to the full length. You want to all rectangles to have equal area. The area of the rectangle with sides a and b is a . b. Your task is to say if it is possible to create exactly n rectangles of equal area or not. You have to answer q independent queries. Input The first line of the input contains one integer q (1 59