Eroare de compilare: main.cpp: In function 'int main()': main.cpp:92:17: error: no match for 'operator+' (operand types are 'std::string' {aka 'std::__cxx11::basic_string<char>'} and 'int') 92 | fin >> a[i] + 1; | ~~~~ ^ ~ | | | | | int | std::string {aka std::__cxx11::basic_string<char>} In file included from /usr/include/c++/12.2.1/string:47, from /usr/include/c++/12.2.1/bits/locale_classes.h:40, from /usr/include/c++/12.2.1/bits/ios_base.h:41, from /usr/include/c++/12.2.1/ios:42, from /usr/include/c++/12.2.1/istream:38, from /usr/include/c++/12.2.1/fstream:38, from main.cpp:1: /usr/include/c++/12.2.1/bits/stl_iterator.h:630:5: note: candidate: 'template<class _Iterator> constexpr std::reverse_iterator<_IteratorL> std::operator+(typename reverse_iterator<_IteratorL>::difference_type, const reverse_iterator<_IteratorL>&)' 630 | operator+(typename reverse_iterator<_Iterator>::difference_type __n, | ^~~~~~~~ /usr/include/c++/12.2.1/bits/stl_iterator.h:630:5: note: template argument deduction/substitution failed: main.cpp:92:19: note: mismatched types 'const std::reverse_iterator<_IteratorL>' and 'int' 92 | fin >> a[i] + 1; | ^ /usr/include/c++/12.2.1/bits/stl_iterator.h:1786:5: note: candidate: 'template<class _Iterator> constexpr std::move_iterator<_IteratorL> std::operator+(typename move_iterator<_IteratorL>::difference_type, const move_iterator<_IteratorL>&)' 1786 | operator+(typename move_iterator<_Iterator>::difference_type __n, | ^~~~~~~~ /usr/include/c++/12.2.1/bits/stl_iterator.h:1786:5: note: template argument deduction/substitution failed: main.cpp:92:19: note: mismatched types 'const std::move_iterator<_IteratorL>' and 'int' 92 | fin >> a[i] + 1; | ^ In file included from /usr/include/c++/12.2.1/string:53: /usr/include/c++/12.2.1/bits/basic_string.h:3432:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> constexpr std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)' 3432 | operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs, | ^~~~~~~~ /usr/include/c++/12.2.1/bits/basic_string.h:3432:5: note: template argument deduction/substitution failed: main.cpp:92:19: note: mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'int' 92 | fin >> a[i] + 1; | ^ In file included from /usr/include/c++/12.2.1/string:54: /usr/include/c++/12.2.1/bits/basic_string.tcc:606:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> constexpr std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const _CharT*, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)' 606 | operator+(const _CharT* __lhs, | ^~~~~~~~ /usr/include/c++/12.2.1/bits/basic_string.tcc:606:5: note: template argument deduction/substitution failed: main.cpp:92:19: note: mismatched types 'const _CharT*' and 'std::__cxx11::basic_string<char>' 92 | fin >> a[i] + 1; | ^ /usr/include/c++/12.2.1/bits/basic_string.tcc:627:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> constexpr std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(_CharT, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)' 627 | operator+(_CharT __lhs, const basic_string<_CharT, _Traits, _Alloc>& __rhs) | ^~~~~~~~ /usr/include/c++/12.2.1/bits/basic_string.tcc:627:5: note: template argument deduction/substitution failed: main.cpp:92:19: note: mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'int' 92 | fin >> a[i] + 1; Non zero exit status: 1