#19
BFS
Se consideră un graf neorientat cu n
vârfuri și m
muchii și un vârf cunoscut X
. Să se afişeze vârfurile vizitate în urma parcurgerii în lățime a grafului pornind din vârful X
.
Problema | BFS | Operații I/O |
BFS.in /BFS.out
|
---|---|---|---|
Limita timp | 1 secunde | Limita memorie |
Total: 128 MB
/
Stivă 8 MB
|
Id soluție | #29658391 | Utilizator | |
Fișier | bfs.cpp | Dimensiune | 562 B |
Data încărcării | 14 Mai 2021, 09:35 | Scor / rezultat | Eroare de compilare |
bfs.cpp:4:5: error: expected initializer before 'ofstream' ofstream fout ^ bfs.cpp: In function 'void bfs()': bfs.cpp:8:5: error: 'p' was not declared in this scope p=u=1; ^ bfs.cpp:8:7: error: 'u' was not declared in this scope p=u=1; ^ bfs.cpp:9:5: error: 'c' was not declared in this scope c[p]=np; ^ bfs.cpp:9:10: error: 'np' was not declared in this scope c[p]=np; ^ bfs.cpp:10:5: error: 'viz' was not declared in this scope viz[np]=1; ^ bfs.cpp:13:9: error: 'x' was not declared in this scope x=c[p]; ^ bfs.cpp:14:13: error: 'i' was not declared in this scope for(i=1;i<=n;i++) ^ bfs.cpp:14:20: error: 'n' was not declared in this scope for(i=1;i<=n;i++) ^ bfs.cpp:15:16: error: 'a' was not declared in this scope if(a[x][i]&&viz[i]=0) ^ bfs.cpp: In function 'int main()': bfs.cpp:27:10: error: 'n' was not declared in this scope cin>>n>>m>>np; ^ bfs.cpp:27:13: error: 'm' was not declared in this scope cin>>n>>m>>np; ^ bfs.cpp:27:16: error: 'np' was not declared in this scope cin>>n>>m>>np; ^ bfs.cpp:28:16: error: 'x' was not declared in this scope while(cin>>x>>y) ^ bfs.cpp:28:19: error: 'y' was not declared in this scope while(cin>>x>>y) ^ bfs.cpp:29:9: error: 'a' was not declared in this scope a[x][y]=a[y][x]=1; ^ bfs.cpp:31:13: error: 'i' was not declared in this scope for(i=1;i<=u;i++) ^ bfs.cpp:31:20: error: 'u' was not declared in this scope for(i=1;i<=u;i++) ^ bfs.cpp:32:15: error: 'c' was not declared in this scope cout<<c[i]<<" "; ^
www.pbinfo.ro permite evaluarea a două tipuri de probleme:
Problema BFS 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.