#588
Dijkstra
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 | #35031190 | Utilizator | |
Fișier | dijkstra.cpp | Dimensiune | 1.29 KB |
Data încărcării | 23 Februarie 2022, 11:34 | Scor / rezultat | Eroare de compilare |
dijkstra.cpp:6:1: error: expected ',' or ';' before 'ofstream' ofstream cout("dijkstra.out") ^ dijkstra.cpp: In function 'void dijkstra(int)': dijkstra.cpp:12:22: error: 'n' was not declared in this scope for (int i=1; i<=n; i++) ^ dijkstra.cpp:14:9: error: 'cm' was not declared in this scope cm[i]=c[sursa][i]; ^ dijkstra.cpp:14:15: error: 'c' was not declared in this scope cm[i]=c[sursa][i]; ^ dijkstra.cpp:15:18: error: 'infinit' was not declared in this scope if(cm[i]=infinit) ^ dijkstra.cpp:16:13: error: 'pre' was not declared in this scope pre[i]=sursa; ^ dijkstra.cpp:18:13: error: 'pre' was not declared in this scope pre[i]=0; ^ dijkstra.cpp:20:5: error: 's' was not declared in this scope s[sursa]=1; ^ dijkstra.cpp:21:5: error: 'pre' was not declared in this scope pre[sursa]=0 ^ dijkstra.cpp:23:26: error: 'n' was not declared in this scope for (int pas=1; pas<=n-2; pas++) ^ dijkstra.cpp:28:22: error: 'cm' was not declared in this scope if(s[i]&&cm[i]<mi) ^ dijkstra.cpp:28:28: error: 'mi' was not declared in this scope if(s[i]&&cm[i]<mi) ^ dijkstra.cpp:37:22: error: 'c' was not declared in this scope if(s[i]&&c[x][i]!=infinit&&cm[x]+c[x][i]<cm[i]) ^ dijkstra.cpp:37:31: error: 'infinit' was not declared in this scope if(s[i]&&c[x][i]!=infinit&&cm[x]+c[x][i]<cm[i]) ^ dijkstra.cpp:37:40: error: 'cm' was not declared in this scope if(s[i]&&c[x][i]!=infinit&&cm[x]+c[x][i]<cm[i]) ^ dijkstra.cpp: In function 'void citire()': dijkstra.cpp:47:10: error: 'n' was not declared in this scope cin>>n; ^ dijkstra.cpp:53:17: error: 'c' was not declared in this scope c[i][j]=0; ^ dijkstra.cpp:55:17: error: 'c' was not declared in this scope c[i][j]=infinit; ^ dijkstra.cpp:55:25: error: 'infinit' was not declared in this scope c[i][j]=infinit; ^ dijkstra.cpp:57:24: error: 'j' was not declared in this scope while (cin>>i>>j>>k) ^ dijkstra.cpp:57:27: error: 'k' was not declared in this scope while (cin>>i>>j>>k) ^ dijkstra.cpp:58:13: error: 'c' was not declared in this scope c[i][j]=k; ^ dijkstra.cpp: In function 'int main()': dijkstra.cpp:65:22: error: 'n' was not declared in this scope for (int i=1; i<=n; i++) ^ dijkstra.cpp:66:9: error: 'cout' was not declared in this scope cout<<cm[i]<<" "; ^ dijkstra.cpp:66:15: error: 'cm' was not declared in this scope cout<<cm[i]<<" "; ^
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.