#1360
Se citește n număr natural. Calculați suma numerelor naturale mai mici sau egale cu n.
| Problema | Suma Gauss | Operații I/O |
tastatură/ecran
|
|---|---|---|---|
| Limita timp | 0.1 secunde | Limita memorie |
Total: 64 MB
/
Stivă 8 MB
|
| Id soluție | #64137243 | Utilizator | |
| Fișier | suma_gauss.cpp | Dimensiune | 174 B |
| Data încărcării | 20 Aprilie 2026, 08:30 | Scor/rezultat | Eroare de compilare |
suma_gauss.cpp:2:7: error: expected nested-name-specifier before ‘namwspace’ 2 | using namwspace std; | ^~~~~~~~~ suma_gauss.cpp: In function ‘int main()’: suma_gauss.cpp:6:5: error: ‘cin’ was not declared in this scope; did you mean ‘std::cin’? 6 | cin>>n; | ^~~ | std::cin In file included from suma_gauss.cpp:1: /usr/include/c++/13/iostream:62:18: note: ‘std::cin’ declared here 62 | extern istream cin; ///< Linked to standard input | ^~~ suma_gauss.cpp:7:14: error: expected ‘;’ before ‘+’ token 7 | for(int i+1;i<=n;i++) | ^ | ; suma_gauss.cpp:7:18: warning: for increment expression has no effect [-Wunused-value] 7 | for(int i+1;i<=n;i++) | ~^~~ suma_gauss.cpp:7:21: error: expected ‘)’ before ‘;’ token 7 | for(int i+1;i<=n;i++) | ~ ^ | ) suma_gauss.cpp:7:5: warning: this ‘for’ clause does not guard... [-Wmisleading-indentation] 7 | for(int i+1;i<=n;i++) | ^~~ suma_gauss.cpp:7:22: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘for’ 7 | for(int i+1;i<=n;i++) | ^ suma_gauss.cpp:7:22: error: ‘i’ was not declared in this scope suma_gauss.cpp:9:5: error: ‘cout’ was not declared in this scope; did you mean ‘std::cout’? 9 | cout<<suma; | ^~~~ | std::cout /usr/include/c++/13/iostream:63:18: note: ‘std::cout’ declared here 63 | extern ostream cout; ///< Linked to standard output | ^~~~
www.pbinfo.ro permite evaluarea a două tipuri de probleme:
Problema Suma Gauss face parte din prima categorie. Soluția propusă de tine va fi evaluată astfel:
Suma punctajelor acordate pe testele utilizate pentru verificare este 100. Astfel, soluția ta poate obține cel mult 100 de puncte, caz în care se poate considera corectă.