（1）确定要删除的区间[100,200]
（2）A = duplicate[0,100]，以及B = duplicate[200,end]；
（3）合并A+B;
https://blog.csdn.net/Hodors/article/details/112370417?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522162279576116780274164867%2522%252C%2522scm%2522%253A%252220140713.130102334.pc%255Fblog.%2522%257D&request_id=162279576116780274164867&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2~blog~first_rank_v2~rank_v29-3-112370417.pc_v2_rank_blog_default&utm_term=imageJ+%E5%90%88%E5%B9%B6
