#588
Se dă un graf orientat ponderat – în care fiecare arc are asociat un cost, număr natural strict pozitiv, și un nod p. Să se determine, folosind algoritmul lui Dijkstra, costul minim al drumului de la p la fiecare nod al grafului.
| Problema | Dijkstra | Operații I/O |
dijkstra.in/dijkstra.out
|
|---|---|---|---|
| Limita timp | 0.1 secunde | Limita memorie |
Total: 64 MB
/
Stivă 8 MB
|
| Id soluție | #64118384 | Utilizator | |
| Fișier | dijkstra.cpp | Dimensiune | 1.17 KB |
| Data încărcării | 18 Aprilie 2026, 10:55 | Scor/rezultat | Eroare de compilare |
In file included from /usr/include/x86_64-linux-gnu/c++/13/bits/c++allocator.h:33, from /usr/include/c++/13/bits/allocator.h:46, from /usr/include/c++/13/string:43, from /usr/include/c++/13/bits/locale_classes.h:40, from /usr/include/c++/13/bits/ios_base.h:41, from /usr/include/c++/13/ios:44, from /usr/include/c++/13/istream:40, from /usr/include/c++/13/fstream:40, from dijkstra.cpp:1: /usr/include/c++/13/bits/new_allocator.h: In instantiation of ‘void std::__new_allocator<_Tp>::construct(_Up*, _Args&& ...) [with _Up = Edge; _Args = {int&, int&, int&}; _Tp = Edge]’: /usr/include/c++/13/bits/alloc_traits.h:538:17: required from ‘static void std::allocator_traits<std::allocator<_CharT> >::construct(allocator_type&, _Up*, _Args&& ...) [with _Up = Edge; _Args = {int&, int&, int&}; _Tp = Edge; allocator_type = std::allocator<Edge>]’ /usr/include/c++/13/bits/vector.tcc:117:30: required from ‘void std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {int&, int&, int&}; _Tp = Edge; _Alloc = std::allocator<Edge>]’ dijkstra.cpp:36:27: required from here /usr/include/c++/13/bits/new_allocator.h:191:11: error: new initializer expression list treated as compound expression [-fpermissive] 191 | { ::new((void *)__p) _Up(std::forward<_Args>(__args)...); } | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/include/c++/13/bits/new_allocator.h:191:11: error: no matching function for call to ‘Edge::Edge(int&)’ dijkstra.cpp:6:8: note: candidate: ‘Edge::Edge()’ 6 | struct Edge { | ^~~~ dijkstra.cpp:6:8: note: candidate expects 0 arguments, 1 provided dijkstra.cpp:6:8: note: candidate: ‘constexpr Edge::Edge(const Edge&)’ dijkstra.cpp:6:8: note: no known conversion for argument 1 from ‘int’ to ‘const Edge&’ dijkstra.cpp:6:8: note: candidate: ‘constexpr Edge::Edge(Edge&&)’ dijkstra.cpp:6:8: note: no known conversion for argument 1 from ‘int’ to ‘Edge&&’
www.pbinfo.ro permite evaluarea a două tipuri de probleme:
Problema Dijkstra face parte din prima categorie. Soluția propusă de tine va fi evaluată astfel:
Suma punctajelor acordate pe testele utilizate pentru verificare este 100. Astfel, soluția ta poate obține cel mult 100 de puncte, caz în care se poate considera corectă.