运行 ID: 6284

Main.cc:2:7: error: expected nested-name-specifier before ‘namespsce’
 using namespsce std ;
       ^~~~~~~~~
Main.cc: In function ‘int main()’:
Main.cc:7:5: error: ‘cin’ was not declared in this scope
     cin >> x;
     ^~~
Main.cc:7:5: note: suggested alternative:
In file included from Main.cc:1:
/usr/include/c++/8/iostream:60:18: note:   ‘std::cin’
   extern istream cin;  /// Linked to standard input
                  ^~~
Main.cc:9:9: error: ‘cout’ was not declared in this scope
         cout<