我在我的班级档案中加入了#include </usr/include/c++/4.4.3/tr1/shared_ptr.h>，
当我尝试编译我的课程时，我得到以下错误：
> In file included from account.h:16:0:
/usr/include/c++/4.4.3/tr1/shared_ptr.h:61:46: error: '_Lock_policy' has not been declared
/usr/include/c++/4.4.3/tr1/shared_ptr.h:63:30: error: expected template-name before '<' token
/usr/include/c++/4.4.3/tr1/shared_ptr.h:63:30: error: expected '{' before '<' token
/usr/include/c++/4.4.3/tr1/shared_ptr.h:63:30: error: expected unqualified-id before '<' token
/usr/include/c++/4.4.3/tr1/shared_ptr.h:89:12: error: '_Lock_policy' has not been declared
/usr/include/c++/4.4.3/tr1/shared_ptr.h:89:31: error: '__default_lock_policy' was not declared in this scope
/usr/include/c++/4.4.3/tr1/shared_ptr.h:100:12: error: '_Lock_policy' has not been declared
/usr/include/c++/4.4.3/tr1/shared_ptr.h:100:31: error: '__default_lock_policy' was not declared in this scope
/usr/include/c++/4.4.3/tr1/shared_ptr.h:209:7: error: '_Sp_counted_base' does not name a type
/usr/include/c++/4.4.3/tr1/shared_ptr.h: In constructor 'std::tr1::__shared_count<_Lp>::__shared_count()':
有谁知道究竟是什么导致这个错误被抛出？
答案 0 :(得分：8)
我添加了#include <tr1/memory>并对问题进行了排序。
答案 1 :(得分：5)