Borderou de evaluare (job #790789)

Eroare de compilare: main.cpp: In function 'int main()': main.cpp:30:13: error: no match for 'operator>>' (operand types are 'std::ofstream' {aka 'std::basic_ofstream<char>'} and 'long long int') 30 | fout>>(a*a)%10; | ~~~~^~~~~~~~~~ | | | | | long long int | std::ofstream {aka std::basic_ofstream<char>} main.cpp:30:13: note: candidate: 'operator>>(int, long long int)' (built-in) 30 | fout>>(a*a)%10; | ~~~~^~~~~~~~~~ main.cpp:30:13: note: no known conversion for argument 1 from 'std::ofstream' {aka 'std::basic_ofstream<char>'} to 'int' In file included from /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/string:55, from /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/bits/locale_classes.h:40, from /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/bits/ios_base.h:41, from /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/ios:44, from /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/ostream:40, from /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/iostream:41, from main.cpp:1: /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/bits/basic_string.tcc:827:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, __cxx11::basic_string<_CharT, _Traits, _Alloc>&)' 827 | operator>>(basic_istream<_CharT, _Traits>& __in, | ^~~~~~~~ /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/bits/basic_string.tcc:827:5: note: template argument deduction/substitution failed: main.cpp:30:21: note: 'std::ofstream' {aka 'std::basic_ofstream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>' 30 | fout>>(a*a)%10; | ^~ In file included from /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/istream:1106, from /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/iostream:42: /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/bits/istream.tcc:975:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, _CharT&)' 975 | operator>>(basic_istream<_CharT, _Traits>& __in, _CharT& __c) | ^~~~~~~~ /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/bits/istream.tcc:975:5: note: template argument deduction/substitution failed: main.cpp:30:21: note: 'std::ofstream' {aka 'std::basic_ofstream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>' 30 | fout>>(a*a)%10; | ^~ /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/istream:846:5: note: candidate: 'template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, unsigned char&)' 846 | operator>>(basic_istream<char, _Traits>& __in, unsigned char& __c) | ^~~~~~~~ /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/istream:846:5: note: template argument deduction/substitution failed: main.cpp:30:21: note: 'std::ofstream' {aka 'std::basic_ofstream<char>'} is not derived from 'std::basic_istream<char, _Traits>' 30 | fout>>(a*a)%10; | ^~ /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/istream:851:5: note: candidate: 'template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, signed char&)' 851 | operator>>(basic_istream<char, _Traits>& __in, signed char& __c) | ^~~~~~~~ /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/istream:851:5: note: template argument deduction/substitution failed: main.cpp:30:21: note: 'std::ofstream' {aka 'std::basic_ofstream<char>'} is not derived from 'std::basic_istream<char, _Traits>' 30 | fout>>(a*a)%10; | ^~ /usr/lib/gcc/i686-pc-linux-gnu/13/include/g++-v13/istream:893:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, _CharT*)' 893 | operator>>(basic_istream<_CharT, _Traits>& __in, _CharT* __s)