动态规划-状态压缩
POJ3254
POJ2686
LOJ2318 NOIP2016 宝藏
LOJ2363 NOIP2017 愤怒的小鸟
LOJ2104 TJOI2015
LOJ6372
LOJ2540
LOJ2542
动态规划-数位DP
HDU3555
HDU3652
BZOJ1026
LOJ2044 CQOI2016