#589
Roy-Floyd
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 costurilor 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 | #20586125 | Utilizator | |
Fișier | roy-floyd.cpp | Dimensiune | 1.25 KB |
Data încărcării | 04 Februarie 2020, 12:41 | Scor / rezultat | Eroare de compilare |
roy-floyd.cpp:4:1: error: expected ',' or ';' before 'ofstream' ofstream cout("roy-floyd.out" ) ^ roy-floyd.cpp: In function 'int main()': roy-floyd.cpp:9:10: error: 'n' was not declared in this scope cin>>n>>m; ^ roy-floyd.cpp:9:13: error: 'm' was not declared in this scope cin>>n>>m; ^ roy-floyd.cpp:10:9: error: 'i' was not declared in this scope for(i=1; i<=n; i++) ^ roy-floyd.cpp:12:13: error: 'j' was not declared in this scope for(j=1; j<=n; j++) ^ roy-floyd.cpp:14:13: error: 'C' was not declared in this scope C[i][j]=2000; ^ roy-floyd.cpp:18:9: error: 'i' was not declared in this scope for(i=1; i<=n; i++) ^ roy-floyd.cpp:20:9: error: 'C' was not declared in this scope C[i][i]=0; ^ roy-floyd.cpp:22:9: error: 'i' was not declared in this scope for(i=1; i<=m; i++) ^ roy-floyd.cpp:24:14: error: 'x' was not declared in this scope cin>>x>>y>>cost; ^ roy-floyd.cpp:24:17: error: 'y' was not declared in this scope cin>>x>>y>>cost; ^ roy-floyd.cpp:24:20: error: 'cost' was not declared in this scope cin>>x>>y>>cost; ^ roy-floyd.cpp:25:9: error: 'C' was not declared in this scope C[x][y]=cost; ^ roy-floyd.cpp:28:9: error: 'i' was not declared in this scope for(i=1; i<=n; i++) ^ roy-floyd.cpp:30:13: error: 'j' was not declared in this scope for(j=1; j<=n; j++) ^ roy-floyd.cpp:32:13: error: 'D' was not declared in this scope D[i][j]=C[i][j]; ^ roy-floyd.cpp:32:21: error: 'C' was not declared in this scope D[i][j]=C[i][j]; ^ roy-floyd.cpp:37:9: error: 'k' was not declared in this scope for(k=1; k<=n; k++) ^ roy-floyd.cpp:39:13: error: 'i' was not declared in this scope for(i=1; i<=n; i++) ^ roy-floyd.cpp:41:17: error: 'j' was not declared in this scope for(j=1; j<=n; j++) ^ roy-floyd.cpp:43:20: error: 'D' was not declared in this scope if(D[i][k]+D[k][j]<D[i][j]) ^ roy-floyd.cpp:52:9: error: 'i' was not declared in this scope for(i=1;i<=n;i++) ^ roy-floyd.cpp:54:13: error: 'j' was not declared in this scope for(j=1;j<=n;j++) ^ roy-floyd.cpp:56:20: error: 'D' was not declared in this scope if(D[i][j]==2000) ^ roy-floyd.cpp:58:25: error: 'cout' was not declared in this scope cout<<"-1"<<" "; ^ roy-floyd.cpp:63:25: error: 'cout' was not declared in this scope cout<<D[i][j]<<" "; ^ roy-floyd.cpp:67:13: error: 'cout' was not declared in this scope cout<<"\n"; ^ roy-floyd.cpp:70:5: error: 'cout' was not declared in this scope cout.close(); ^
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.