Rezumat problemă

Globuri

#813

Într-un brad sunt a globuri albe, de două ori mai multe globuri roșii, iar globuri verzi cu 3 mai puține ca numărul de globuri roșii. Câte globuri sunt în total ?

Consola Popa Daniel (popadaniel72) Daniel Popa ușoară

Clasa 9 Elemente de baza ale limbajului Operatori și expresii

Rezolvă

Detalii

Problema	Globuri	Operații I/O	tastatură/ecran
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#61350051	Utilizator	Slivilescu Ilinca (Ilinca_Slivilescu)
Fișier	globuri.cpp	Dimensiune	132 B
Data încărcării	25 Noiembrie 2025, 12:24	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

globuri.cpp:3:17: error: 'a' is not a namespace-name
 using namespace a,r,v;

                 ^
globuri.cpp:3:18: error: expected namespace-name before ',' token
 using namespace a,r,v;

                  ^
globuri.cpp:3:18: error: expected ';' before ',' token
globuri.cpp:3:18: error: expected unqualified-id before ',' token
globuri.cpp:3:20: error: expected constructor, destructor, or type conversion before ',' token
 using namespace a,r,v;

                    ^
globuri.cpp:3:22: error: expected constructor, destructor, or type conversion before ';' token
 using namespace a,r,v;

                      ^
globuri.cpp: In function 'int main()':
globuri.cpp:7:5: error: 'cin' was not declared in this scope
     cin>>a>>r>>v;

     ^
globuri.cpp:7:5: note: suggested alternative:
In file included from globuri.cpp:1:0:
/usr/include/c++/4.8/iostream:60:18: note:   'std::cin'
   extern istream cin;  /// Linked to standard input
                  ^
globuri.cpp:7:10: error: 'a' was not declared in this scope
     cin>>a>>r>>v;

          ^
globuri.cpp:7:13: error: 'r' was not declared in this scope
     cin>>a>>r>>v;

             ^
globuri.cpp:7:16: error: 'v' was not declared in this scope
     cin>>a>>r>>v;

                ^
globuri.cpp:8:5: error: 'cout' was not declared in this scope
     cout<<a<<" "<r<<" "<<v<<" ";

     ^
globuri.cpp:8:5: note: suggested alternative:
In file included from globuri.cpp:1:0:
/usr/include/c++/4.8/iostream:61:18: note:   'std::cout'
   extern ostream cout;  /// Linked to standard output
                  ^
globuri.cpp: At global scope:
globuri.cpp:9:5: error: expected unqualified-id before 'return'
 }   return 0;

     ^

Cum funcționează evaluarea?