0_0_32863420_27975.cpp:1:57: error: stray '#' in program
<span style="font-family:'Courier New';font-size:18px;">#include <iostream>
^
0_0_32863420_27975.cpp:1:1: error: expected unqualified-id before '<' token
<span style="font-family:'Courier New';font-size:18px;">#include <iostream>
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/cmath:43:0,
from 0_0_32863420_27975.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_32863420_27975.cpp: In function 'void init()':
0_0_32863420_27975.cpp:26:2: error: 'cin' was not declared in this scope
cin>>test;
^
0_0_32863420_27975.cpp:29:23: error: 'memset' was not declared in this scope
memset(a,0,sizeof(a));
^
0_0_32863420_27975.cpp: At global scope:
0_0_32863420_27975.cpp:55:2: error: expected unqualified-id before '<' token
}</span>//https://blog.csdn.net/gongqian12345/article/details/7444734
^
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