Rezumat problemă

pv

#2858

Se consideră un șir a1, a2, …, an de numere naturale.

• Să se afișeze elementele șirului de la dreapta la stânga.
• Să se calculeze suma valorilor pare din șir.
• Să se determine suma valorilor aflate pe poziții pare în șir.
• Să se determine numărul numerelor din șir care sunt divizibile cu 10.
• Să se determine suma numerelor divizibile cu 3 și aflate pe poziții impare.

Consola Pracsiu Dan (dnprx) Dan Pracsiu ușoară

Clasa 9 Tablouri unidimensionale (vectori) Parcurgerea vectorilor

Rezolvă

Detalii

Problema	pv	Operații I/O	tastatură/ecran
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#64750396	Utilizator	Tatulescu Theodora Maria (maria_theodoraaa9)
Fișier	pv.cpp	Dimensiune	404 B
Data încărcării	27 Mai 2026, 18:10	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

pv.cpp:2:17: error: ‘atd’ is not a namespace-name
    2 | using namespace atd;
      |                 ^~~
pv.cpp: In function ‘int main()’:
pv.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 pv.cpp:1:
/usr/include/c++/13/iostream:62:18: note: ‘std::cin’ declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
pv.cpp:9:2: error: ‘cout’ was not declared in this scope; did you mean ‘std::cout’?
    9 |  cout<<v[i]<<" ";
      |  ^~~~
      |  std::cout
/usr/include/c++/13/iostream:63:18: note: ‘std::cout’ declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
pv.cpp:11:16: error: expected primary-expression before ‘=’ token
   11 |       if(v[i]%==0)
      |                ^
pv.cpp:12:7: error: ‘s’ was not declared in this scope
   12 |       s=s+v[i];
      |       ^
pv.cpp:10:3: warning: this ‘for’ clause does not guard... [-Wmisleading-indentation]
   10 |   for(i=1;i<=n;i++)
      |   ^~~
pv.cpp:13:7: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘for’
   13 |       cout<<"\n";
      |       ^~~~
pv.cpp:13:7: error: ‘cout’ was not declared in this scope; did you mean ‘std::cout’?
   13 |       cout<<"\n";
      |       ^~~~
      |       std::cout
/usr/include/c++/13/iostream:63:18: note: ‘std::cout’ declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
pv.cpp:20:6: error: ‘s’ was not declared in this scope
   20 |      s+=v[i];
      |      ^
pv.cpp:4:17: warning: unused variable ‘s1’ [-Wunused-variable]
    4 | {int n,v[101],i,s1=0,s2=0,s3=0,k=0;
      |                 ^~
pv.cpp:4:22: warning: unused variable ‘s2’ [-Wunused-variable]
    4 | {int n,v[101],i,s1=0,s2=0,s3=0,k=0;
      |                      ^~
pv.cpp:4:32: warning: unused variable ‘k’ [-Wunused-variable]
    4 | {int n,v[101],i,s1=0,s2=0,s3=0,k=0;
      |                                ^

Cum funcționează evaluarea?