Introduction - If you have any usage issues, please Google them yourself
Application space, so the size of the two already sorted sequences, and, after the merger of the space used to store the sequence of two pointers to set initial position of the two already sorted sequences were the starting position by comparing two pointers point to elements, select elements into a relatively small space to merge, and move the pointer to the next location Repeat step 3 until the end of a pointer to sequence all of the other sequence elements direct the remaining copy to the end of the merger sequence