摘要： C++ 的常用库http://www.cplusplus.com/reference/map Libraryhttp://www.cplusplus.com/reference/stl/map/简单用法如下： typedef pair<const Key, T> value_type;Iterators of amapcontainer point to elements of thisvalue_type. Thus, for an iterator calleditthat points to an element of amap, its key and mapped val 阅读全文