Rezumat problemă

suma_n

#2

Să se scrie un program care citeşte de la tastatură un şir de numere naturale şi determină suma lor.

Consola Candale Silviu (silviu) ușoară

Clasa 9 Elemente de baza ale limbajului Structuri repetitive Calculul unor expresii

Rezolvă

Detalii

Problema	suma_n	Operații I/O	tastatură/ecran
Limita timp	1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#64230063	Utilizator	Cioenaru Mario (Kivi_OP)
Fișier	suma_n.cpp	Dimensiune	159 B
Data încărcării	24 Aprilie 2026, 09:24	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

suma_n.cpp: In function ‘int main()’:
suma_n.cpp:5:5: error: ‘cin’ was not declared in this scope; did you mean ‘std::cin’?
    5 |     cin<<n;
      |     ^~~
      |     std::cin
In file included from suma_n.cpp:1:
/usr/include/c++/13/iostream:62:18: note: ‘std::cin’ declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
suma_n.cpp:6:14: warning: right operand of comma operator has no effect [-Wunused-value]
    6 |     for(i=1,i<=n,i++)
      |             ~^~~
suma_n.cpp:6:21: error: expected ‘;’ before ‘)’ token
    6 |     for(i=1,i<=n,i++)
      |                     ^
      |                     ;
suma_n.cpp:11:5: error: ‘cout’ was not declared in this scope; did you mean ‘std::cout’?
   11 |     cout>>s;
      |     ^~~~
      |     std::cout
/usr/include/c++/13/iostream:63:18: note: ‘std::cout’ declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
suma_n.cpp:12:1: error: expected primary-expression before ‘}’ token
   12 | }
      | ^
suma_n.cpp:11:13: error: expected ‘)’ before ‘}’ token
   11 |     cout>>s;
      |             ^
      |             )
   12 | }
      | ~            
suma_n.cpp:6:8: note: to match this ‘(’
    6 |     for(i=1,i<=n,i++)
      |        ^
suma_n.cpp:12:1: error: expected primary-expression before ‘}’ token
   12 | }
      | ^
suma_n.cpp: At global scope:
suma_n.cpp:13:1: error: ‘retun’ does not name a type
   13 | retun 0;
      | ^~~~~

Cum funcționează evaluarea?