Rezumat problemă

perechipare

#3622

Se dă un interval [l,r]. Aflaţi câte perechi de numere pare se pot forma alegând două numere din interval.

nEUROn

Consola Bunget Mihai (mihaibun) Mihai Bunget ușoară

Clasa 9 Algoritmi elementari Sume, produse, numărări

Rezolvă

Detalii

Problema	perechipare	Operații I/O	tastatură/ecran
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#51334888	Utilizator	Pauna Ariana (pauna_ariana)
Fișier	perechipare.cpp	Dimensiune	150 B
Data încărcării	08 Iunie 2024, 10:13	Scor / rezultat	Eroare de compilare

Evaluare

Mesaj compilare

perechipare.cpp: In function 'int main()':
perechipare.cpp:7:5: error: 'x' was not declared in this scope
     x=[r/2]-(l-1)/2;

     ^
perechipare.cpp:7:9: error: expected ',' before '/' token
     x=[r/2]-(l-1)/2;

         ^
perechipare.cpp:7:9: error: expected identifier before '/' token
perechipare.cpp: In lambda function:
perechipare.cpp:7:12: error: expected '{' before '-' token
     x=[r/2]-(l-1)/2;

            ^
perechipare.cpp: In function 'int main()':
perechipare.cpp:7:12: error: no match for 'operator-' (operand types are 'main()::__lambda0' and 'long long int')
perechipare.cpp:7:12: note: candidates are:
In file included from /usr/include/c++/4.8/bits/stl_algobase.h:67:0,
                 from /usr/include/c++/4.8/bits/char_traits.h:39,
                 from /usr/include/c++/4.8/ios:40,
                 from /usr/include/c++/4.8/ostream:38,
                 from /usr/include/c++/4.8/iostream:39,
                 from perechipare.cpp:1:
/usr/include/c++/4.8/bits/stl_iterator.h:327:5: note: template<class _Iterator> typename std::reverse_iterator<_Iterator>::difference_type std::operator-(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&)
     operator-(const reverse_iterator<_Iterator>& __x,
     ^
/usr/include/c++/4.8/bits/stl_iterator.h:327:5: note:   template argument deduction/substitution failed:
perechipare.cpp:7:19: note:   'main()::__lambda0' is not derived from 'const std::reverse_iterator<_Iterator>'
     x=[r/2]-(l-1)/2;

                   ^
In file included from /usr/include/c++/4.8/bits/stl_algobase.h:67:0,
                 from /usr/include/c++/4.8/bits/char_traits.h:39,
                 from /usr/include/c++/4.8/ios:40,
                 from /usr/include/c++/4.8/ostream:38,
                 from /usr/include/c++/4.8/iostream:39,
                 from perechipare.cpp:1:
/usr/include/c++/4.8/bits/stl_iterator.h:379:5: note: template<class _IteratorL, class _IteratorR> decltype ((__y.base() - __x.base())) std::operator-(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)
     operator-(const reverse_iterator<_IteratorL>& __x,
     ^
/usr/include/c++/4.8/bits/stl_iterator.h:379:5: note:   template argument deduction/substitution failed:
perechipare.cpp:7:19: note:   'main()::__lambda0' is not derived from 'const std::reverse_iterator<_Iterator>'
     x=[r/2]-(l-1)/2;

                   ^
In file included from /usr/include/c++/4.8/bits/stl_algobase.h:67:0,
                 from /usr/include/c++/4.8/bits/char_traits.h:39,
                 from /usr/include/c++/4.8/ios:40,
                 from /usr/include/c++/4.8/ostream:38,
                 from /usr/include/c++/4.8/iostream:39,
                 from perechipare.cpp:1:
/usr/include/c++/4.8/bits/stl_iterator.h:1104:5: note: template<class _IteratorL, class _IteratorR> decltype ((__x.base() - __y.base())) std::operator-(const std::move_iterator<_Iterator>&, const std::move_iterator<_IteratorR>&)
     operator-(const move_iterator<_IteratorL>& __x,
     ^
/usr/include/c++/4.8/bits/stl_iterator.h:1104:5: note:   template argument deduction/substitution failed:
perechipare.cpp:7:19: note:   'main()::__lambda0' is not derived from 'const std::move_iterator<_Iterator>'
     x=[r/2]-(l-1)/2;

                   ^
In file included from /usr/include/c++/4.8/bits/stl_algobase.h:67:0,
                 from /usr/include/c++/4.8/bits/char_traits.h:39,
                 from /usr/include/c++/4.8/ios:40,
                 from /usr/include/c++/4.8/ostream:38,
                 from /usr/include/c++/4.8/iostream:39,
                 from perechipare.cpp:1:
/usr/include/c++/4.8/bits/stl_iterator.h:1111:5: note: template<class _Iterator> decltype ((__x.base() - __y.base())) std::operator-(const std::move_iterator<_Iterator>&, const std::move_iterator<_Iterator>&)
     operator-(const move_iterator<_Iterator>& __x,
     ^
/usr/include/c++/4.8/bits/stl_iterator.h:1111:5: note:   template argument deduction/substitution failed:
perechipare.cpp:7:19: note:   'main()::__lambda0' is not derived from 'const std::move_iterator<_Iterator>'
     x=[r/2]-(l-1)/2;

                   ^

Cum funcționează evaluarea?