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	#64397447	Utilizator	Carp Diana (dianacarp)
Fișier	estearbore.cpp	Dimensiune	562 B
Data încărcării	05 Mai 2026, 09:51	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

estearbore.cpp:5:1: error: expected ‘,’ or ‘;’ before ‘ofstream’
    5 | ofstream fout("estearbore.out")
      | ^~~~~~~~
estearbore.cpp: In function ‘void dfs(int)’:
estearbore.cpp:9:5: error: ‘v’ was not declared in this scope
    9 |     v[x]=1;
      |     ^
estearbore.cpp:10:18: warning: range-based ‘for’ loops with initializer only available with ‘-std=c++20’ or ‘-std=gnu++20’ [-Wc++20-extensions]
   10 |     for(int i=1; i<=n: i++)
      |                  ^
estearbore.cpp:10:22: error: found ‘:’ in nested-name-specifier, expected ‘::’
   10 |     for(int i=1; i<=n: i++)
      |                      ^
      |                      ::
estearbore.cpp:10:21: error: ‘n’ has not been declared
   10 |     for(int i=1; i<=n: i++)
      |                     ^
estearbore.cpp:14:1: error: expected primary-expression before ‘}’ token
   14 | }
      | ^
estearbore.cpp:12:20: error: expected ‘;’ before ‘}’ token
   12 |             dfs(i);
      |                    ^
      |                    ;
   13 | 
   14 | }
      | ~                   
estearbore.cpp:14:1: error: expected primary-expression before ‘}’ token
   14 | }
      | ^
estearbore.cpp:12:20: error: expected ‘)’ before ‘}’ token
   12 |             dfs(i);
      |                    ^
      |                    )
   13 | 
   14 | }
      | ~                   
estearbore.cpp:10:8: note: to match this ‘(’
   10 |     for(int i=1; i<=n: i++)
      |        ^
estearbore.cpp:14:1: error: expected primary-expression before ‘}’ token
   14 | }
      | ^
estearbore.cpp: In function ‘int main()’:
estearbore.cpp:17:10: error: ‘n’ was not declared in this scope
   17 |     fin>>n;
      |          ^
estearbore.cpp:18:16: error: ‘x’ was not declared in this scope
   18 |     while(fin>>x>>y)
      |                ^
estearbore.cpp:18:19: error: ‘y’ was not declared in this scope
   18 |     while(fin>>x>>y)
      |                   ^
estearbore.cpp:20:9: error: ‘a’ was not declared in this scope
   20 |         a[x][y]==a[y][x]=1;
      |         ^
estearbore.cpp:23:8: error: ‘m’ was not declared in this scope; did you mean ‘tm’?
   23 |     if(m!=n-1) {
      |        ^
      |        tm
estearbore.cpp:24:9: error: ‘fout’ was not declared in this scope
   24 |         fout<< "NU";
      |         ^~~~
estearbore.cpp:30:8: error: ‘v’ was not declared in this scope
   30 |     if(v[i]==0)
      |        ^
estearbore.cpp:31:2: error: ‘g’ was not declared in this scope
   31 | {g
      |  ^
estearbore.cpp:35:1: error: ‘fout’ was not declared in this scope
   35 | fout<<"DA";
      | ^~~~

Cum funcționează evaluarea?