Rezumat problemă

Kruskal

#592

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 Kruskal, determinați un arbore parțial de cost minim.

Fișiere Candale Silviu (silviu) ușoară

Clasa 11 Teoria Grafurilor Grafuri cu costuri Algoritmul lui Kruskal

Rezolvă

Detalii

Problema	Kruskal	Operații I/O	kruskal.in/kruskal.out
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#63296742	Utilizator	Nechitescu Alexandru Mihai (Mihaita09)
Fișier	kruskal.cpp	Dimensiune	1.80 KB
Data încărcării	25 Februarie 2026, 11:48	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

kruskal.cpp: In function 'int main()':
kruskal.cpp:8:16: warning: statement has no effect [-Wunused-value]
 #define cin fin;

                ^
kruskal.cpp:87:5: note: in expansion of macro 'cin'
     cin >> n >> m;

     ^
kruskal.cpp:87:9: error: expected primary-expression before '>>' token
     cin >> n >> m;

         ^
kruskal.cpp:8:16: warning: statement has no effect [-Wunused-value]
 #define cin fin;

                ^
kruskal.cpp:91:9: note: in expansion of macro 'cin'
         cin >> x >> y >> c;

         ^
kruskal.cpp:91:13: error: expected primary-expression before '>>' token
         cin >> x >> y >> c;

             ^
kruskal.cpp:9:18: warning: statement has no effect [-Wunused-value]
 #define cout fout;

                  ^
kruskal.cpp:96:5: note: in expansion of macro 'cout'
     cout << total;

     ^
kruskal.cpp:96:10: error: expected primary-expression before '<<' token
     cout << total;

          ^
kruskal.cpp:9:18: warning: statement has no effect [-Wunused-value]
 #define cout fout;

                  ^
kruskal.cpp:97:5: note: in expansion of macro 'cout'
     cout << '\n';

     ^
kruskal.cpp:97:10: error: expected primary-expression before '<<' token
     cout << '\n';

          ^
kruskal.cpp:9:18: warning: statement has no effect [-Wunused-value]
 #define cout fout;

                  ^
kruskal.cpp:100:29: note: in expansion of macro 'cout'
         for (auto e:apm[i]) cout << i << " " << e << '\n';

                             ^
kruskal.cpp:100:19: warning: unused variable 'e' [-Wunused-variable]
         for (auto e:apm[i]) cout << i << " " << e << '\n';

                   ^
kruskal.cpp:100:34: error: expected primary-expression before '<<' token
         for (auto e:apm[i]) cout << i << " " << e << '\n';

                                  ^
kruskal.cpp:100:49: error: 'e' was not declared in this scope
         for (auto e:apm[i]) cout << i << " " << e << '\n';

                                                 ^

Cum funcționează evaluarea?