使用标准模板库流（STL STREAM)来简化C++“线程安全”的日志记录-Logging:Flow using a standard template library (STL STREAM) to simplify the C++ “thread-safe”

一个C++工程，实现选校系统，基于STL流类库，支持文件读写-A c++ project, realizing choose the school system, based on the STL flow class library, supporting documents, and reading and writing

ISAP代码，用于解决最大流问题，速度比EK算法快。-ISAP code for solving the maximum flow problem, faster than EK algorithms.