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View Compilation Error

0_0_17842602_26946.cpp: In function 'long long int llabs(long long int)':
0_0_17842602_26946.cpp:26:4: error: redefinition of 'long long int llabs(long long int)'
 LL llabs(LL x) {return x < 0 ? -x : x;}
    ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/cstdlib:72:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ext/string_conversions.h:41,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/basic_string.h:2850,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/string:52,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/locale_classes.h:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/ios_base.h:41,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:42,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
                 from 0_0_17842602_26946.cpp:3:
GCC4.9.2/x86_64-w64-mingw32/include/stdlib.h:632:52: note: 'long long int llabs(long long int)' previously defined here
   __MINGW_EXTENSION __CRT_INLINE long long __cdecl llabs(long long _j) { return (_j >= 0 ? _j : -_j); }
                                                    ^


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