Rezumat problemă

esteArbore

#4204

Verificați dacă un graf este arbore sau nu.

Fișiere Popa Daniel (popadaniel72) Daniel Popa ușoară

Clasa 11 Teoria Grafurilor Parcurgerea grafurilor neorientate Grafuri arbori

Rezolvă

Detalii

Problema	esteArbore	Operații I/O	estearbore.in/estearbore.out
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#64272821	Utilizator	Tofan Alessia-Ioana (admin2000)
Fișier	estearbore.cpp	Dimensiune	698 B
Data încărcării	27 Aprilie 2026, 13:56	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

estearbore.cpp:2:1: error: ‘uing’ does not name a type; did you mean ‘uint’?
    2 | uing namespace std;
      | ^~~~
      | uint
estearbore.cpp:3:1: error: ‘ifstream’ does not name a type
    3 | ifstream cin("estearbore.in")
      | ^~~~~~~~
estearbore.cpp: In function ‘void citire()’:
estearbore.cpp:7:5: error: ‘cin’ was not declared in this scope
    7 |     cin>>n;
      |     ^~~
estearbore.cpp:7:10: error: ‘n’ was not declared in this scope
    7 |     cin>>n;
      |          ^
estearbore.cpp:10:9: error: ‘a’ was not declared in this scope
   10 |         a[x][y]=a[y][x]=1;
      |         ^
estearbore.cpp:11:9: error: ‘m’ was not declared in this scope
   11 |         m++; } }
      |         ^
estearbore.cpp: In function ‘void dfs(int)’:
estearbore.cpp:13:9: error: ‘v’ was not declared in this scope
   13 |         v[k]=1;
      |         ^
estearbore.cpp:14:9: error: ‘cout’ was not declared in this scope
   14 |         cout<<k<<" ";
      |         ^~~~
estearbore.cpp:15:24: error: ‘n’ was not declared in this scope
   15 |         for(int i=1;i<=n;i++)
      |                        ^
estearbore.cpp:16:16: error: ‘a’ was not declared in this scope
   16 |             if(a[k][i]==1 && v[i]==0)
      |                ^
estearbore.cpp: In function ‘int main()’:
estearbore.cpp:19:8: error: ‘m’ was not declared in this scope; did you mean ‘tm’?
   19 |     if(m!=n-1)
      |        ^
      |        tm
estearbore.cpp:19:11: error: ‘n’ was not declared in this scope
   19 |     if(m!=n-1)
      |           ^
estearbore.cpp:20:9: error: ‘cout’ was not declared in this scope
   20 |         cout<<"NU";
      |         ^~~~
estearbore.cpp:21:5: warning: this ‘else’ clause does not guard... [-Wmisleading-indentation]
   21 |     else  dfs(1);
      |     ^~~~
estearbore.cpp:22:11: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘else’
   22 |           int OK=1;
      |           ^~~
estearbore.cpp:23:26: error: ‘n’ was not declared in this scope
   23 |           for(int i=1;i<=n&&OK;i++)
      |                          ^
estearbore.cpp:24:18: error: ‘v’ was not declared in this scope
   24 |               if(v[i]==0)
      |                  ^
estearbore.cpp:25:17: warning: statement has no effect [-Wunused-value]
   25 |               OK==0;
      |               ~~^~~
estearbore.cpp:23:11: warning: this ‘for’ clause does not guard... [-Wmisleading-indentation]
   23 |           for(int i=1;i<=n&&OK;i++)
      |           ^~~
estearbore.cpp:26:15: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘for’
   26 |               if(OK==1)
      |               ^~
estearbore.cpp:27:15: error: ‘cout’ was not declared in this scope
   27 |               cout<<"DA";
      |               ^~~~
estearbore.cpp:28:20: error: ‘cout’ was not declared in this scope
   28 |               else cout<<"NU"; }
      |                    ^~~~
estearbore.cpp: At global scope:
estearbore.cpp:29:5: error: expected unqualified-id before ‘return’
   29 |     return 0; }
      |     ^~~~~~
estearbore.cpp:29:15: error: expected declaration before ‘}’ token
   29 |     return 0; }
      |               ^

Cum funcționează evaluarea?