Rezumat problemă

NumarPerfect

#64

Să se scrie un program care verifică dacă un număr natural citit de la tastatură este număr perfect.

Consola Candale Silviu (silviu) Silviu Candale ușoară

Clasa 9 Algoritmi elementari Divizibilitate Determinarea divizorilor

Rezolvă

Detalii

Problema	NumarPerfect	Operații I/O	tastatură/ecran
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#64830813	Utilizator	Dorobat Robert-Andrei (dorobatrobert)
Fișier	numarperfect.cpp	Dimensiune	334 B
Data încărcării	04 Iunie 2026, 12:18	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

numarperfect.cpp:4:5: error: ‘int div’ redeclared as different kind of entity
    4 | int div, i;
      |     ^~~
In file included from /usr/include/c++/13/cstdlib:79,
                 from /usr/include/c++/13/ext/string_conversions.h:43,
                 from /usr/include/c++/13/bits/basic_string.h:4109,
                 from /usr/include/c++/13/string:54,
                 from /usr/include/c++/13/bits/locale_classes.h:40,
                 from /usr/include/c++/13/bits/ios_base.h:41,
                 from /usr/include/c++/13/ios:44,
                 from /usr/include/c++/13/ostream:40,
                 from /usr/include/c++/13/iostream:41,
                 from numarperfect.cpp:1:
/usr/include/stdlib.h:992:14: note: previous declaration ‘div_t div(int, int)’
  992 | extern div_t div (int __numer, int __denom)
      |              ^~~
numarperfect.cpp: In function ‘int main()’:
numarperfect.cpp:12:11: error: expected primary-expression before ‘<=’ token
   12 |   for(i=1;<=n;i++){
      |           ^~
numarperfect.cpp:19:3: warning: this ‘else’ clause does not guard... [-Wmisleading-indentation]
   19 |   else
      |   ^~~~
numarperfect.cpp:22:5: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘else’
   22 |     return 0;
      |     ^~~~~~

Cum funcționează evaluarea?