一、问题背景在日常开发和业务场景中，图像抠图（Image Matting）是一个高频需求。比如电商平台需要批量处理商品图、社交媒体需要快速替换背景、 ...

This algorithm would allow five numbers to be inputted and would work out the total. A count-controlled loop would be used because it is known, in advance, how many times the algorithm needs to loop.