Rezumat problemă

Prim

#590

Se dă un graf neorientat ponderat conex cu n vârfuri și m muchii – în care fiecare muchie are asociat un cost, număr natural strict pozitiv. Folosind algoritmul lui Prim, determinați un arbore parțial de cost minim, cu rădăcina în vârful 1.

Fișiere Candale Silviu (silviu) ușoară

Clasa 11 Teoria Grafurilor Grafuri cu costuri Algoritmul lui Prim

Rezolvă

Detalii

Problema	Prim	Operații I/O	prim.in/prim.out
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#58010095	Utilizator	Istrate Marius-Bogdan (Istrate_Bogdan)
Fișier	prim.cpp	Dimensiune	1.10 KB
Data încărcării	08 Mai 2025, 08:54	Scor / rezultat	Eroare de compilare

Evaluare

Mesaj compilare

prim.cpp:3:11: error: variable 'std::ifstream f' has initializer but incomplete type
 ifstream f("prim.in");

           ^
prim.cpp:4:11: error: variable 'std::ofstream g' has initializer but incomplete type
 ofstream g("prim.out");

           ^
prim.cpp:5:1: error: 'vector' does not name a type
 vector <pair<int , int>> G[101];

 ^
prim.cpp:7:1: error: 'vector' does not name a type
 vector<int> T,D;

 ^
prim.cpp:8:1: error: 'vector' does not name a type
 vector<bool>V;

 ^
prim.cpp: In function 'int main()':
prim.cpp:14:9: error: 'G' was not declared in this scope
         G[x].push_back({c , y});

         ^
prim.cpp:17:5: error: 'priority_queue' was not declared in this scope
     priority_queue <

     ^
prim.cpp:18:22: error: expected primary-expression before ',' token
         pair<int,int>,

                      ^
prim.cpp:19:9: error: 'vector' was not declared in this scope
         vector<pair<int,int>>,

         ^
prim.cpp:19:28: error: expected primary-expression before '>' token
         vector<pair<int,int>>,

                            ^
prim.cpp:19:30: error: expected primary-expression before ',' token
         vector<pair<int,int>>,

                              ^
prim.cpp:21:5: error: expected primary-expression before '>' token
     >Q;

     ^
prim.cpp:21:6: error: 'Q' was not declared in this scope
     >Q;

      ^
prim.cpp:22:5: error: 'V' was not declared in this scope
     V.resize(n+1,false);

     ^
prim.cpp:23:5: error: 'T' was not declared in this scope
     T.resize(n+1,-1);

     ^
prim.cpp:24:5: error: 'D' was not declared in this scope
     D.resize(n+1,0x3f3f3f3f);

     ^
prim.cpp:28:16: error: 'G' was not declared in this scope
     for(auto x:G[1])

                ^
prim.cpp:43:20: error: 'G' was not declared in this scope
         for(auto x:G[P.second])

                    ^

Cum funcționează evaluarea?