정렬 sort 참고자료 링크

https://gmlwjd9405.github.io/2018/05/08/algorithm-merge-sort.html

[알고리즘] 합병 정렬(merge sort)이란 - Heee's Development Blog

https://gmlwjd9405.github.io/2018/05/06/algorithm-selection-sort.html

[알고리즘] 선택 정렬(selection sort)이란 - Heee's Development Blog

버블 정렬(bubble sort)

[알고리즘] 버블 정렬(bubble sort)이란 - Heee's Development Blog