Eroare de compilare: main.cpp: In function 'int main()': main.cpp:23:70: error: no match for 'operator+' (operand types are 'int' and '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, int> >, std::pair<int, int> >::value_type' {aka 'std::pair<int, int>'}) 23 | if (sol[i] + rucsac[k].second > sol[i+rucsac[k]].first) { 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/ostream:38, from /usr/include/c++/12.2.1/iostream:39, 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:23:79: note: '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, int> >, std::pair<int, int> >::value_type' {aka 'std::pair<int, int>'} is not derived from 'const std::reverse_iterator<_IteratorL>' 23 | if (sol[i] + rucsac[k].second > sol[i+rucsac[k]].first) { | ^ /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:23:79: note: '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, int> >, std::pair<int, int> >::value_type' {aka 'std::pair<int, int>'} is not derived from 'const std::move_iterator<_IteratorL>' 23 | if (sol[i] + rucsac[k].second > sol[i+rucsac[k]].first) { | ^ 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:23:79: note: mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'int' 23 | if (sol[i] + rucsac[k].second > sol[i+rucsac[k]].first) { | ^ 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:23:79: note: mismatched types 'const _CharT*' and 'int' 23 | if (sol[i] + rucsac[k].second > sol[i+rucsac[k]].first) { | ^ /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:23:79: note: '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, int> >, std::pair<int, int> >::value_type' {aka 'std::pair<int, int>'} is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' 23 | if (sol[i] + rucsac[k].second > sol[i+rucsac[k]].first) { | ^ /usr/include/c++/12.2.1/bits/basic_string.h:3472:5: 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 _CharT*)' 3472 | operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs, | ^~~~~~~~ Non zero exit status: 1