#589
Se dă un graf orientat ponderat cu n noduri și m arce – în care fiecare arc are asociat un cost, număr natural strict pozitiv. Folosind algoritmul Roy-Floyd, construiți matricea drumurilor minime.
| Problema | Roy-Floyd | Operații I/O |
roy-floyd.in/roy-floyd.out
|
|---|---|---|---|
| Limita timp | 0.1 secunde | Limita memorie |
Total: 64 MB
/
Stivă 8 MB
|
| Id soluție | #64608898 | Utilizator | |
| Fișier | roy-floyd.cpp | Dimensiune | 794 B |
| Data încărcării | 18 Mai 2026, 14:04 | Scor/rezultat | Eroare de compilare |
roy-floyd.cpp:6:1: error: expected ‘,’ or ‘;’ before ‘ofstream’ 6 | ofstream fout("roy-floyd.out") | ^~~~~~~~ roy-floyd.cpp: In function ‘int main()’: roy-floyd.cpp:9:10: error: ‘n’ was not declared in this scope 9 | fin>>n>>m; | ^ roy-floyd.cpp:9:13: error: ‘m’ was not declared in this scope; did you mean ‘tm’? 9 | fin>>n>>m; | ^ | tm roy-floyd.cpp:12:13: error: ‘a’ was not declared in this scope 12 | a[i][j]=INFINIT; | ^ roy-floyd.cpp:13:9: error: ‘a’ was not declared in this scope 13 | a[i][i]=0; } | ^ roy-floyd.cpp:15:14: error: ‘i’ was not declared in this scope 15 | fin>>i>>j>>c; | ^ roy-floyd.cpp:15:17: error: ‘j’ was not declared in this scope 15 | fin>>i>>j>>c; | ^ roy-floyd.cpp:15:20: error: ‘c’ was not declared in this scope 15 | fin>>i>>j>>c; | ^ roy-floyd.cpp:16:9: error: ‘a’ was not declared in this scope 16 | a[i][j]=c; | ^ roy-floyd.cpp:18:5: error: ‘for9int’ was not declared in this scope 18 | for9int k=1;k<=n;k++) | ^~~~~~~ roy-floyd.cpp:18:17: error: ‘k’ was not declared in this scope 18 | for9int k=1;k<=n;k++) | ^ roy-floyd.cpp:19:21: error: ‘i’ was not declared in this scope 19 | for(int i=1;i<=n;i++) | ^ roy-floyd.cpp:20:21: error: ‘j’ was not declared in this scope 20 | for(int j=1;j<=n;j++) | ^ roy-floyd.cpp:25:20: error: ‘fout’ was not declared in this scope 25 | fout << (a[i][j]== INFINIT ? -1 : a[i][j]) << " "; | ^~~~ roy-floyd.cpp:25:29: error: ‘a’ was not declared in this scope 25 | fout << (a[i][j]== INFINIT ? -1 : a[i][j]) << " "; | ^ roy-floyd.cpp:26:16: error: ‘fout’ was not declared in this scope 26 | fout<<endl; } | ^~~~
www.pbinfo.ro permite evaluarea a două tipuri de probleme:
Problema Roy-Floyd 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.