Eroare de compilare: main.cpp:1:1: error: extended character   is not valid in an identifier 1 | ⁠ #include <iostream> | ^ main.cpp:1:2: error: stray '#' in program 1 | ⁠ #include <iostream> | ^ main.cpp:1:1: error: '\U00002060\U0000202f' does not name a type 1 | ⁠ #include <iostream> | ^ In file included from /usr/include/c++/12.2.1/iosfwd:40, from /usr/include/c++/12.2.1/ios:38, from /usr/include/c++/12.2.1/istream:38, from /usr/include/c++/12.2.1/fstream:38, from main.cpp:2: /usr/include/c++/12.2.1/bits/postypes.h:68:11: error: 'ptrdiff_t' does not name a type 68 | typedef ptrdiff_t streamsize; // Signed integral type | ^~~~~~~~~ /usr/include/c++/12.2.1/bits/postypes.h:41:1: note: 'ptrdiff_t' is defined in header '<cstddef>'; did you forget to '#include <cstddef>'? 40 | #include <cwchar> // For mbstate_t +++ |+#include <cstddef> 41 | In file included from /usr/include/c++/12.2.1/bits/exception_ptr.h:40, from /usr/include/c++/12.2.1/exception:168, from /usr/include/c++/12.2.1/ios:39: /usr/include/c++/12.2.1/new:126:26: error: declaration of 'operator new' as non-function 126 | _GLIBCXX_NODISCARD void* operator new(std::size_t) _GLIBCXX_THROW (std::bad_alloc) | ^~~~~~~~ /usr/include/c++/12.2.1/new:126:44: error: 'size_t' is not a member of 'std'; did you mean 'size_t'? 126 | _GLIBCXX_NODISCARD void* operator new(std::size_t) _GLIBCXX_THROW (std::bad_alloc) | ^~~~~~ In file included from /usr/include/wchar.h:35, from /usr/include/c++/12.2.1/cwchar:44, from /usr/include/c++/12.2.1/bits/postypes.h:40: /usr/lib/gcc/x86_64-pc-linux-gnu/12.2.1/include/stddef.h:214:23: note: 'size_t' declared here 214 | typedef __SIZE_TYPE__ size_t; | ^~~~~~ /usr/include/c++/12.2.1/new:127:41: error: attributes after parenthesized initializer ignored [-fpermissive] 127 | __attribute__((__externally_visible__)); | ^ /usr/include/c++/12.2.1/new:128:26: error: declaration of 'operator new []' as non-function 128 | _GLIBCXX_NODISCARD void* operator new[](std::size_t) _GLIBCXX_THROW (std::bad_alloc) | ^~~~~~~~ /usr/include/c++/12.2.1/new:128:46: error: 'size_t' is not a member of 'std'; did you mean 'size_t'? 128 | _GLIBCXX_NODISCARD void* operator new[](std::size_t) _GLIBCXX_THROW (std::bad_alloc) | ^~~~~~ /usr/lib/gcc/x86_64-pc-linux-gnu/12.2.1/include/stddef.h:214:23: note: 'size_t' declared here 214 | typedef __SIZE_TYPE__ size_t; | ^~~~~~ /usr/include/c++/12.2.1/new:129:41: error: attributes after parenthesized initializer ignored [-fpermissive] 129 | __attribute__((__externally_visible__)); Non zero exit status: 1