#303
Se dau n numere naturale mai mici decât 1.000.000. Determinaţi câte dintre ele sunt prime.
| Problema | Eratostene | Operații I/O |
eratostene.in/eratostene.out
|
|---|---|---|---|
| Limita timp | 0.5 secunde | Limita memorie |
Total: 64 MB
/
Stivă 8 MB
|
| Id soluție | #64073744 | Utilizator | |
| Fișier | eratostene.cpp | Dimensiune | 466 B |
| Data încărcării | 15 Aprilie 2026, 17:20 | Scor/rezultat | Eroare de compilare |
eratostene.cpp:6:1: error: expected ‘,’ or ‘;’ before ‘ofstream’ 6 | ofstream g("eratostene.out") | ^~~~~~~~ eratostene.cpp: In function ‘int main()’: eratostene.cpp:9:9: error: ‘i’ was not declared in this scope 9 | for(i=2;i<=sqrt(1000000);i++){ | ^ eratostene.cpp:10:12: error: ‘v’ was not declared in this scope 10 | if(v[i]==0){ | ^ eratostene.cpp:11:17: error: ‘j’ was not declared in this scope; did you mean ‘jn’? 11 | for(j=i;j<=1000000/i;j++){ | ^ | jn eratostene.cpp:16:9: error: ‘i’ was not declared in this scope 16 | for(i=0;i<=n;i++){ | ^ eratostene.cpp:16:16: error: ‘n’ was not declared in this scope; did you mean ‘yn’? 16 | for(i=0;i<=n;i++){ | ^ | yn eratostene.cpp:17:12: error: ‘x’ was not declared in this scope 17 | f>>x; | ^ eratostene.cpp:18:12: error: ‘v’ was not declared in this scope 18 | if(v[x]==0){ | ^ eratostene.cpp:19:13: error: ‘a’ was not declared in this scope 19 | a++; | ^ eratostene.cpp:21:9: error: ‘g’ was not declared in this scope 21 | g<<a; | ^ eratostene.cpp:21:12: error: ‘a’ was not declared in this scope 21 | g<<a; | ^
www.pbinfo.ro permite evaluarea a două tipuri de probleme:
Problema Eratostene 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.