Problem ID Title Solved Submit Pass Rate
2622【USACO2009DEC】乐谱
USACO-USAC 银组 前缀和 二分 
51145.455%
2643激光炸弹
LYD BZOJ 前缀和差分 
3560.000%
26440304 IncDec Sequence
LYD 前缀和差分 CHOJ 
3560.000%
2669Corral the Cows
LYD 二分 前缀和 
11100.000%