Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:51:18: error: no matching function for call to ‘find(int&)’ if(find(a)==find(b)) ^ In file included from /usr/include/c++/5/bits/locale_facets.h:48:0, from /usr/include/c++/5/bits/basic_ios.h:37, from /usr/include/c++/5/ios:44, from /usr/include/c++/5/ostream:38, from /usr/include/c++/5/iostream:39, from user.cpp:1: /usr/include/c++/5/bits/streambuf_iterator.h:369:5: note: candidate: template<class _CharT2> typename __gnu_cxx::__enable_if<std::__is_char<_CharT2>::__value, std::istreambuf_iterator<_CharT> >::__type std::find(std::istreambuf_iterator<_CharT>, std::istreambuf_iterator<_CharT>, const _CharT2&) find(istreambuf_iterator<_CharT> __first, ^ /usr/include/c++/5/bits/streambuf_iterator.h:369:5: note: template argument deduction/substitution failed: user.cpp:51:18: note: mismatched types ‘std::istreambuf_iterator<_CharT>’ and ‘int’ if(find(a)==find(b)) ^ user.cpp:51:27: error: no matching function for call to ‘find(int&)’ if(find(a)==find(b)) ^ In file included from /usr/include/c++/5/bits/locale_facets.h:48:0, from /usr/include/c++/5/bits/basic_ios.h:37, from /usr/include/c++/5/ios:44, from /usr/include/c++/5/ostream:38, from /usr/include/c++/5/iostream:39, from user.cpp:1: /usr/include/c++/5/bits/streambuf_iterator.h:369:5: note: candidate: template<class _CharT2> typename __gnu_cxx::__enable_if<std::__is_char<_CharT2>::__value, std::istreambuf_iterator<_CharT> >::__type std::find(std::istreambuf_iterator<_CharT>, std::istreambuf_iterator<_CharT>, const _CharT2&) find(istreambuf_iterator<_CharT> __first, ^ /usr/include/c++/5/bits/streambuf_iterator.h:369:5: note: template argument deduction/substitution failed: user.cpp:51:27: note: mismatched types ‘std::istreambuf_iterator<_CharT>’ and ‘int’ if(find(a)==find(b)) ^