0_0_18124262_12298.cpp:1:1: error: 'lude' does not name a type
lude <iostream>
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/cmath:43:0,
from 0_0_18124262_12298.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/ext/type_traits.h:160:35: error: '__gnu_cxx::__is_null_pointer' declared as an 'inline' variable
__is_null_pointer(std::nullptr_t)
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/ext/type_traits.h:160:35: error: 'bool __gnu_cxx::__is_null_pointer' redeclared as different kind of symbol
GCC4.9.2/x86_64-w64-mingw32/include/c++/ext/type_traits.h:155:5: note: previous declaration 'template<class _Type> bool __gnu_cxx::__is_null_pointer(_Type)'
__is_null_pointer(_Type)
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/ext/type_traits.h:160:21: error: 'nullptr_t' is not a member of 'std'
__is_null_pointer(std::nullptr_t)
^
0_0_18124262_12298.cpp: In function 'void dfs(int)':
0_0_18124262_12298.cpp:12:13: error: 'cout' was not declared in this scope
cout<<a[i];
^
0_0_18124262_12298.cpp:13:13: error: 'cout' was not declared in this scope
cout<<endl;
^
0_0_18124262_12298.cpp:13:19: error: 'endl' was not declared in this scope
cout<<endl;
^
0_0_18124262_12298.cpp: In function 'int main()':
0_0_18124262_12298.cpp:32:11: error: 'cin' was not declared in this scope
while(cin>>n)
^
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