#516
Se dă un vector format din n elemente, numere naturale. Calculați suma elementelor din secvența determinată de primul și ultimul element impar.
| Problema | SumSec1 | Operații I/O |
tastatură/ecran
|
|---|---|---|---|
| Limita timp | 0.1 secunde | Limita memorie |
Total: 64 MB
/
Stivă 8 MB
|
| Id soluție | #64574237 | Utilizator | |
| Fișier | sumsec1.cpp | Dimensiune | 693 B |
| Data încărcării | 15 Mai 2026, 10:16 | Scor/rezultat | Eroare de compilare |
sumsec1.cpp:3:13: error: variable ‘std::ifstream cin’ has initializer but incomplete type 3 | ifstream cin("date.in"); | ^ sumsec1.cpp:4:14: error: variable ‘std::ofstream cout’ has initializer but incomplete type 4 | ofstream cout("date.out"); | ^ sumsec1.cpp: In function ‘int main()’: sumsec1.cpp:9:5: error: reference to ‘cin’ is ambiguous 9 | cin >> n; | ^~~ In file included from sumsec1.cpp:1: /usr/include/c++/13/iostream:62:18: note: candidates are: ‘std::istream std::cin’ 62 | extern istream cin; ///< Linked to standard input | ^~~ sumsec1.cpp:3:10: note: ‘<typeprefixerror>cin’ 3 | ifstream cin("date.in"); | ^~~ sumsec1.cpp:11:9: error: reference to ‘cin’ is ambiguous 11 | cin >> v[i]; | ^~~ /usr/include/c++/13/iostream:62:18: note: candidates are: ‘std::istream std::cin’ 62 | extern istream cin; ///< Linked to standard input | ^~~ sumsec1.cpp:3:10: note: ‘<typeprefixerror>cin’ 3 | ifstream cin("date.in"); | ^~~ sumsec1.cpp:33:9: error: reference to ‘cout’ is ambiguous 33 | cout << s; | ^~~~ /usr/include/c++/13/iostream:63:18: note: candidates are: ‘std::ostream std::cout’ 63 | extern ostream cout; ///< Linked to standard output | ^~~~ sumsec1.cpp:4:10: note: ‘<typeprefixerror>cout’ 4 | ofstream cout("date.out"); | ^~~~ sumsec1.cpp:35:9: error: reference to ‘cout’ is ambiguous 35 | cout << 0; | ^~~~ /usr/include/c++/13/iostream:63:18: note: candidates are: ‘std::ostream std::cout’ 63 | extern ostream cout; ///< Linked to standard output | ^~~~ sumsec1.cpp:4:10: note: ‘<typeprefixerror>cout’ 4 | ofstream cout("date.out"); | ^~~~
www.pbinfo.ro permite evaluarea a două tipuri de probleme:
Problema SumSec1 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.