#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 | #64090963 | Utilizator | |
| Fișier | roy-floyd.cpp | Dimensiune | 585 B |
| Data încărcării | 16 Aprilie 2026, 13:39 | Scor/rezultat | Eroare de compilare |
roy-floyd.cpp:5:1: error: expected ‘,’ or ‘;’ before ‘ofstream’ 5 | ofstream g("roy-floyd.out") | ^~~~~~~~ roy-floyd.cpp: In function ‘int main()’: roy-floyd.cpp:8:6: error: ‘n’ was not declared in this scope 8 | { f>>n>>m; | ^ roy-floyd.cpp:8:9: error: ‘m’ was not declared in this scope; did you mean ‘tm’? 8 | { f>>n>>m; | ^ | tm roy-floyd.cpp:9:5: error: ‘i’ was not declared in this scope 9 | for(i=1;i<=n;i++) | ^ roy-floyd.cpp:10:9: error: ‘j’ was not declared in this scope 10 | for(j=i+1;j<=n;j++) | ^ roy-floyd.cpp:11:5: error: ‘D’ was not declared in this scope 11 | D[i][j]=D[j][i]=1000000000; | ^ roy-floyd.cpp:9:1: warning: this ‘for’ clause does not guard... [-Wmisleading-indentation] 9 | for(i=1;i<=n;i++) | ^~~ roy-floyd.cpp:12:5: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘for’ 12 | for(int k=1;k<=m;k++) | ^~~ roy-floyd.cpp:13:5: error: ‘i’ was not declared in this scope 13 | {f>>i>>j>>c; | ^ roy-floyd.cpp:13:8: error: ‘j’ was not declared in this scope 13 | {f>>i>>j>>c; | ^ roy-floyd.cpp:13:11: error: ‘c’ was not declared in this scope 13 | {f>>i>>j>>c; | ^ roy-floyd.cpp:14:1: error: ‘D’ was not declared in this scope 14 | D[i][j]=c; | ^ roy-floyd.cpp:16:5: warning: this ‘for’ clause does not guard... [-Wmisleading-indentation] 16 | for(int i = 1 ; i <= n ; i ++) | ^~~ roy-floyd.cpp:20:9: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘for’ 20 | for(i=1;i<=n;i++) | ^~~ roy-floyd.cpp:22:5: error: ‘g’ was not declared in this scope 22 | g<<D[i][j]<<" "; | ^ roy-floyd.cpp:23:5: error: ‘g’ was not declared in this scope 23 | g<<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.