集装箱优化：集装箱外部尺寸长40米，宽20米，能够存放长方形、正方形、三角形等不同形状的货物，要求装入两种或两种以上不同形状的货物，使集装箱所剩的空间越小越好。-Container Optimization: Container External dimensions 40 meters long, 20 meters wide, can be stored in rectangular, square, triangular, etc. different shapes of goods, r