Rezumat problemă

CifDiv3Rec

C++

#4206

Să se scrie o funcție C++ recursivă care să returneze numărul cifrelor divizibile cu 3 ale unui număr natural n transmis ca parametru.

Folclorul informatic

Fișiere Pracsiu Dan (dnprx) Dan Pracsiu ușoară

Clasa 10 Recursivitate Subprograme recursive

Rezolvă

Detalii

Problema	CifDiv3Rec	Operații I/O	cifdiv3rec.in/cifdiv3rec.out
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#64461649	Utilizator	Ignatescu Riana (Ignatescu_Riana)
Fișier	cifdiv3rec.cpp	Dimensiune	383 B
Data încărcării	08 Mai 2026, 09:31	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

cifdiv3rec.cpp:5:2: error: ‘ok’ does not name a type
    5 |  ok=0;
      |  ^~
cifdiv3rec.cpp: In function ‘int cifdiv3(long long int)’:
cifdiv3rec.cpp:9:21: error: ‘ok’ was not declared in this scope
    9 |      if ( n == 0 && ok ) {
      |                     ^~
cifdiv3rec.cpp:11:5: error: expected ‘}’ before ‘else’
   11 |     else if ( n == 0 && !ok ) return 1;
      |     ^~~~
cifdiv3rec.cpp:9:26: note: to match this ‘{’
    9 |      if ( n == 0 && ok ) {
      |                          ^
cifdiv3rec.cpp:12:5: error: ‘ok’ was not declared in this scope
   12 |     ok = 1;
      |     ^~
cifdiv3rec.cpp: At global scope:
cifdiv3rec.cpp:15:6: error: expected unqualified-id before ‘if’
   15 |      if(n%10%3==0)
      |      ^~
cifdiv3rec.cpp:19:6: error: expected unqualified-id before ‘else’
   19 |      else return cifdiv3(n/10);
      |      ^~~~
cifdiv3rec.cpp:20:6: error: ‘n’ does not name a type
   20 |      n
      |      ^
cifdiv3rec.cpp:21:2: error: expected declaration before ‘}’ token
   21 |  }
      |  ^
cifdiv3rec.cpp:32:5: error: redefinition of ‘int main()’
   32 | int main()
      |     ^~~~
cifdiv3rec.cpp:23:5: note: ‘int main()’ previously defined here
   23 | int main()
      |     ^~~~
cifdiv3rec.cpp: In function ‘int main()’:
cifdiv3rec.cpp:38:13: error: ‘CifDiv3Rec’ was not declared in this scope; did you mean ‘cifdiv3’?
   38 |     fout << CifDiv3Rec(n) << "\n";
      |             ^~~~~~~~~~
      |             cifdiv3
cifdiv3rec.cpp: In function ‘int cifdiv3(long long int)’:
cifdiv3rec.cpp:13:6: warning: control reaches end of non-void function [-Wreturn-type]
   13 |      }
      |      ^

Cum funcționează evaluarea?