If the black holes in a binary system merge, then an even stronger pulse of gravitational waves radiates away from the system.
如果双黑洞结合在一起，那么更强的引力波脉冲波将从这个双黑洞的二元体系辐射开来。
2
Use merge sort, in a binary search algorithm complexity: nlogn, n number two together, if can equal to a specific number m, the output yes, otherwise no output.