#298
Se dă un şir format din n elemente, numere naturale. Calculaţi suma elementelor din secvenţa determinată de primul şi ultimul element prim.
| Problema | SumSec | Operații I/O |
sumsec.in/sumsec.out
|
|---|---|---|---|
| Limita timp | 0.1 secunde | Limita memorie |
Total: 64 MB
/
Stivă 8 MB
|
| Id soluție | #64912204 | Utilizator | |
| Fișier | sumsec.cpp | Dimensiune | 530 B |
| Data încărcării | 12 Iunie 2026, 09:09 | Scor/rezultat | Eroare de compilare |
sumsec.cpp: In function ‘int main()’: sumsec.cpp:11:5: error: reference to ‘cin’ is ambiguous 11 | cin>>n; | ^~~ In file included from sumsec.cpp:3: /usr/include/c++/13/iostream:62:18: note: candidates are: ‘std::istream std::cin’ 62 | extern istream cin; ///< Linked to standard input | ^~~ sumsec.cpp:5:10: note: ‘std::ifstream cin’ 5 | ifstream cin("sumsec.in"); | ^~~ sumsec.cpp:14:9: error: reference to ‘cin’ is ambiguous 14 | cin>>a[i]; | ^~~ /usr/include/c++/13/iostream:62:18: note: candidates are: ‘std::istream std::cin’ 62 | extern istream cin; ///< Linked to standard input | ^~~ sumsec.cpp:5:10: note: ‘std::ifstream cin’ 5 | ifstream cin("sumsec.in"); | ^~~ sumsec.cpp:16:29: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] 16 | if(a[i]<=1 || a[i]%2==0 && a[i]!=2) | ~~~~~~~~~~^~~~~~~~~~ sumsec.cpp:18:18: error: ‘x’ was not declared in this scope 18 | for(d=3;d*d<=x;d=d+2) | ^ sumsec.cpp:26:9: error: ‘i’ was not declared in this scope 26 | for(i=p;i<=u;i++) | ^ sumsec.cpp:28:5: error: reference to ‘cout’ is ambiguous 28 | cout<<s; | ^~~~ /usr/include/c++/13/iostream:63:18: note: candidates are: ‘std::ostream std::cout’ 63 | extern ostream cout; ///< Linked to standard output | ^~~~ sumsec.cpp:6:10: note: ‘std::ofstream cout’ 6 | ofstream cout("sumsec.out"); | ^~~~
www.pbinfo.ro permite evaluarea a două tipuri de probleme:
Problema SumSec 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.