qq_35117637的博客

Glass Carving：Leonid wants to become a glass carver (the person who creates beautiful artworks by cutting the glass). He already has a rectangular w mm  ×  h mm sheet of glass, a diamond

Gourmet and BanquetA gourmet came into the banquet hall, where the cooks suggested n dishes for guests. The gourmet knows the schedule: whe

Erratic Expansion description：Piotr found a magical box in heaven. Its magic power is that if you place any red balloon inside it then, after one hour, it will multiply to form 3 red and 1 blue c

后序遍历根据前序遍历，中序遍历的结果求后序遍历的序列。Description：在参与过了美食节之后，小Hi和小Ho在别的地方又玩耍了一阵子，在这个过程中，小Ho得到了一个非常有意思的玩具——一棵由小球和木棍连接起来的二叉树！