34. error: invalid token at start of a preprocessor expression

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error: invalid token at start of a preprocessor expression
#if __amd64__ || __x86_64__ || _WIN64 || _M_X64
#endif
in some place; define _WIN64
#define _WIN64
Remove this line ;
or change to
#ifdef __amd64__ || __x86_64__ || _WIN64 || _M_X64
#endif