#539
DFS
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 adâncime a grafului pornind din vârful X
.
Problema | DFS | Operații I/O |
dfs.in /dfs.out
|
---|---|---|---|
Limita timp | 1 secunde | Limita memorie |
Total: 128 MB
/
Stivă 8 MB
|
Id soluție | #20853788 | Utilizator | |
Fișier | dfs.cpp | Dimensiune | 409 B |
Data încărcării | 12 Februarie 2020, 13:45 | Scor / rezultat | Eroare de compilare |
dfs.cpp:3:16: error: expected identifier before '.' token using namespace.std; ^ dfs.cpp:3:16: error: expected ';' before '.' token dfs.cpp:3:16: error: expected unqualified-id before '.' token dfs.cpp: In function 'void df(int)': dfs.cpp:5:14: error: 'void df(int)' redeclared as different kind of symbol void df(int x) ^ dfs.cpp:4:5: error: previous declaration of 'int df' int df,x,f,g,a[101][101],i; ^ dfs.cpp:7:2: error: 'vizitat' was not declared in this scope vizitat[x]=1; ^ dfs.cpp:8:13: error: 'n' was not declared in this scope for(i=1;i<=n;i++) ^ dfs.cpp:10:9: error: 'df' cannot be used as a function df() ^ dfs.cpp:11:5: error: expected ';' before 'int' int main() ^ dfs.cpp:13:5: error: 'fstream' was not declared in this scope fstream g("dfs.out",ios::out); ^ dfs.cpp:13:5: note: suggested alternative: In file included from /usr/include/c++/4.8/ios:38:0, from /usr/include/c++/4.8/ostream:38, from /usr/include/c++/4.8/iostream:39, from dfs.cpp:1: /usr/include/c++/4.8/iosfwd:163:33: note: 'std::fstream' typedef basic_fstream<char> fstream; ^ dfs.cpp:13:13: error: expected ';' before 'g' fstream g("dfs.out",ios::out); ^ dfs.cpp:14:8: error: 'n' was not declared in this scope f>>n>>m>>x; ^ dfs.cpp:14:11: error: 'm' was not declared in this scope f>>n>>m>>x; ^ dfs.cpp:17:2: error: 'cin' was not declared in this scope cin>>x; ^ dfs.cpp:17:2: note: suggested alternative: In file included from dfs.cpp:1:0: /usr/include/c++/4.8/iostream:60:18: note: 'std::cin' extern istream cin; /// Linked to standard input ^ dfs.cpp:20:6: error: 'cout' was not declared in this scope cout<<i; ^ dfs.cpp:20:6: note: suggested alternative: In file included from dfs.cpp:1:0: /usr/include/c++/4.8/iostream:61:18: note: 'std::cout' extern ostream cout; /// Linked to standard output ^ dfs.cpp:20:13: error: expected '}' at end of input cout<<i; ^
www.pbinfo.ro permite evaluarea a două tipuri de probleme:
Problema DFS 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.