POJ1661 Help Jimmy
https://blog.csdn.net/jdplus/article/details/19919531

POJ1088 dp滑雪问题
https://blog.csdn.net/qq_21433411/article/details/86000694

POJ2755 神奇的口袋
https://blog.csdn.net/a1097304791/article/details/81571133

POJ3624 0、1背包问题
https://blog.csdn.net/weixin_39909619/article/details/90273643