二叉树算法。实现了数据结构书中二叉树的算法。经老师检查过。可运行。-Binary tree algorithm. Binary tree data structure implemented the algorithm in the book. Checked by the teacher. Can run.

Siemens PLC功能 ，使用SCL语言编写，与pascal结构类似，完成了个从0-2^31-1的时间计数-this FB is only necessary for siemens sps the siemens sps timer counts from 0 to 2^31-1 and starts at 0 sfter overrun. this means that the bit 31 (the highest bit ) will never be used and th

Ural 1221 Malevich Strikes Back代码，简洁明了，通过搜索正方中心坐标并判定来实现- After the greatest success of Malevich s Black Square the famous artist decided to create a new masterpiece. He took a large sheet of checked paper and filled some cells with black. After tha