自己编写的装箱问题的各种求解策略，包括BESTFIT,FIRSTFIT,WORSTFIT,NEXTFIT-I have written a variety of bin-packing problem solving strategy, including the BESTFIT, FIRSTFIT, WORSTFIT, NEXTFIT etc.

常用数据结构，箱子装载fitbox（最优匹配问题）。-Common data structure, the box load (best matching)