数学建模二次指派问题Lingo源代码怎么写？

用lingo解决一个指派问题,要求写出程序，万分感谢sets: lorry/1..3/; box/1..16/:w; assign(lorry,box):x; endsets data: w=34,6,8,17,16,5,13,21,25,31,14,13,33,9,25,25; e...