循环移位(Cycle) Description Cycle shifting refers to following operation on the sting. Moving first ...

列车调度(Train) Description Figure 1 shows the structure of a station for train dispatching. Figu ...

平均气温(Temperature) Description A weather station collects temperature data from observation stati ...

真二叉树重构(Proper Rebuild) Description In general, given the preorder traversal sequence and ...

祖玛(Zuma) Description Let's play the game Zuma! There are a sequence of beads on a track ...