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	#64830628	Utilizator	Stolniceanu Nathalie Teodora (Stolniceanu_Nathalie_Teodora)
Fișier	numarperfect.cpp	Dimensiune	213 B
Data încărcării	04 Iunie 2026, 12:04	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

numarperfect.cpp:5:13: error: ‘int div’ redeclared as different kind of entity
    5 | int n, s=0, div;
      |             ^~~
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:10:5: error: ‘d’ was not declared in this scope
   10 | for(d=2; d*d<=n; d++)
      |     ^
numarperfect.cpp:15:1: warning: this ‘if’ clause does not guard... [-Wmisleading-indentation]
   15 | if(n*2==s)
      | ^~
numarperfect.cpp:18:5: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘if’
   18 |     return 0;
      |     ^~~~~~

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