Rezumat problemă

Preordine

#670

Se dă un arbore binar care conține valori numere naturale. Să se afișeze valorile din arbore în urma parcurgerii în preordine.

Notă: pentru reprezentarea arborelui se recomandă alocarea statică, folosind tablouri.

Fișiere Candale Silviu (silviu) ușoară

Clasa 11 Structuri de date arborescente Arbori binari

Rezolvă

Detalii

Problema	Preordine	Operații I/O	preordine.in/preordine.out
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#64441260	Utilizator	Rădășanu Robert Valerian (Robert_Radasanu)
Fișier	preordine.cpp	Dimensiune	539 B
Data încărcării	07 Mai 2026, 09:31	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

preordine.cpp:6:1: error: expected ‘,’ or ‘;’ before ‘ofstream’
    6 | ofstream out("preordine.out")
      | ^~~~~~~~
preordine.cpp: In function ‘void afis(int)’:
preordine.cpp:10:5: error: ‘out’ was not declared in this scope
   10 |     out<<x[k]<<" ";
      |     ^~~
preordine.cpp:10:10: error: ‘x’ was not declared in this scope
   10 |     out<<x[k]<<" ";
      |          ^
preordine.cpp:11:8: error: ‘s’ was not declared in this scope
   11 |     if(s[k]!=0)
      |        ^
preordine.cpp:11:5: warning: this ‘if’ clause does not guard... [-Wmisleading-indentation]
   11 |     if(s[k]!=0)
      |     ^~
preordine.cpp:13:9: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘if’
   13 |         if(d[k]!=0)
      |         ^~
preordine.cpp:13:12: error: ‘d’ was not declared in this scope
   13 |         if(d[k]!=0)
      |            ^
preordine.cpp: In function ‘int main()’:
preordine.cpp:18:9: error: ‘n’ was not declared in this scope; did you mean ‘in’?
   18 |     in>>n;
      |         ^
      |         in
preordine.cpp:22:13: error: ‘x’ was not declared in this scope
   22 |         in>>x[i]>>s[i]>>d[i];
      |             ^
preordine.cpp:22:19: error: ‘s’ was not declared in this scope
   22 |         in>>x[i]>>s[i]>>d[i];
      |                   ^
preordine.cpp:22:25: error: ‘d’ was not declared in this scope
   22 |         in>>x[i]>>s[i]>>d[i];
      |                         ^
preordine.cpp:23:9: error: ‘t’ was not declared in this scope
   23 |         t[s[i]]=t[d[i]]=i;
      |         ^
preordine.cpp:25:9: error: ‘i’ was not declared in this scope
   25 |     for(i=1; i<=n; i++)
      |         ^
preordine.cpp:26:12: error: ‘t’ was not declared in this scope
   26 |         if(t[i]==0)
      |            ^
preordine.cpp:27:13: error: ‘r’ was not declared in this scope
   27 |             r=i;
      |             ^
preordine.cpp:28:10: error: ‘r’ was not declared in this scope
   28 |     afis(r);
      |          ^
preordine.cpp:19:9: warning: unused variable ‘v’ [-Wunused-variable]
   19 |     int v,w,u;
      |         ^
preordine.cpp:19:11: warning: unused variable ‘w’ [-Wunused-variable]
   19 |     int v,w,u;
      |           ^
preordine.cpp:19:13: warning: unused variable ‘u’ [-Wunused-variable]
   19 |     int v,w,u;
      |             ^

Cum funcționează evaluarea?