#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 | #64779526 | Utilizator | |
| Fișier | eratostene.cpp | Dimensiune | 518 B |
| Data încărcării | 30 Mai 2026, 08:36 | Scor/rezultat | Eroare de compilare |
eratostene.cpp:11:1: error: extended character is not valid in an identifier 11 | int n,x, ct=0; | ^ eratostene.cpp:11:1: error: extended character is not valid in an identifier eratostene.cpp:12:1: error: extended character is not valid in an identifier 12 | ///ciurul | ^ eratostene.cpp:12:1: error: extended character is not valid in an identifier eratostene.cpp:13:1: error: extended character is not valid in an identifier 13 | ciur[0]=ciur[1]=1; | ^ eratostene.cpp:13:1: error: extended character is not valid in an identifier eratostene.cpp:14:1: error: extended character is not valid in an identifier 14 | for(int i=2;i*i<=N; i++) | ^ eratostene.cpp:14:1: error: extended character is not valid in an identifier eratostene.cpp:15:1: error: extended character is not valid in an identifier 15 | if(ciur[i]==0) | ^ eratostene.cpp:15:1: error: extended character is not valid in an identifier eratostene.cpp:15:1: error: extended character is not valid in an identifier eratostene.cpp:16:1: error: extended character is not valid in an identifier 16 | for(int j=2; i*j<=N; j++) | ^ eratostene.cpp:16:1: error: extended character is not valid in an identifier eratostene.cpp:16:1: error: extended character is not valid in an identifier eratostene.cpp:16:1: error: extended character is not valid in an identifier eratostene.cpp:16:1: error: extended character is not valid in an identifier eratostene.cpp:16:1: error: extended character is not valid in an identifier eratostene.cpp:16:1: error: extended character is not valid in an identifier eratostene.cpp:17:1: error: extended character is not valid in an identifier 17 | ciur[i*j]=1; | ^ eratostene.cpp:17:1: error: extended character is not valid in an identifier eratostene.cpp:17:1: error: extended character is not valid in an identifier eratostene.cpp:17:1: error: extended character is not valid in an identifier eratostene.cpp:17:1: error: extended character is not valid in an identifier eratostene.cpp:17:1: error: extended character is not valid in an identifier eratostene.cpp:17:1: error: extended character is not valid in an identifier eratostene.cpp:17:1: error: extended character is not valid in an identifier eratostene.cpp:17:1: error: extended character is not valid in an identifier eratostene.cpp:17:1: error: extended character is not valid in an identifier eratostene.cpp:18:1: error: extended character is not valid in an identifier 18 | | ^ eratostene.cpp:18:1: error: extended character is not valid in an identifier eratostene.cpp:19:1: error: extended character is not valid in an identifier 19 | fin>>n; | ^ eratostene.cpp:19:1: error: extended character is not valid in an identifier eratostene.cpp:20:1: error: extended character is not valid in an identifier 20 | for(int i=1;i<=n;i++) | ^ eratostene.cpp:20:1: error: extended character is not valid in an identifier eratostene.cpp:21:1: error: extended character is not valid in an identifier 21 | { | ^ eratostene.cpp:21:1: error: extended character is not valid in an identifier eratostene.cpp:22:1: error: extended character is not valid in an identifier 22 | fin>>x; | ^ eratostene.cpp:22:1: error: extended character is not valid in an identifier eratostene.cpp:22:1: error: extended character is not valid in an identifier eratostene.cpp:22:1: error: extended character is not valid in an identifier eratostene.cpp:22:1: error: extended character is not valid in an identifier eratostene.cpp:22:1: error: extended character is not valid in an identifier eratostene.cpp:23:1: error: extended character is not valid in an identifier 23 | if(ciur[x]==0) ct++; | ^ eratostene.cpp:23:1: error: extended character is not valid in an identifier eratostene.cpp:23:1: error: extended character is not valid in an identifier eratostene.cpp:23:1: error: extended character is not valid in an identifier eratostene.cpp:23:1: error: extended character is not valid in an identifier eratostene.cpp:23:1: error: extended character is not valid in an identifier eratostene.cpp:24:1: error: extended character is not valid in an identifier 24 | } | ^ eratostene.cpp:24:1: error: extended character is not valid in an identifier eratostene.cpp:25:1: error: extended character is not valid in an identifier 25 | fout<<ct; | ^ eratostene.cpp:25:1: error: extended character is not valid in an identifier eratostene.cpp:26:1: error: extended character is not valid in an identifier 26 | return 0; | ^ eratostene.cpp:26:1: error: extended character is not valid in an identifier eratostene.cpp: In function ‘int main()’: eratostene.cpp:11:1: error: ‘ ’ was not declared in this scope 11 | int n,x, ct=0; | ^~ eratostene.cpp:12:3: error: expected ‘;’ before ‘ ’ 12 | ///ciurul | ^ | ; 13 | ciur[0]=ciur[1]=1; | ~~ eratostene.cpp:14:3: error: expected ‘;’ before ‘for’ 14 | for(int i=2;i*i<=N; i++) | ^~~~ | ; eratostene.cpp:14:16: error: ‘i’ was not declared in this scope 14 | for(int i=2;i*i<=N; i++) | ^ eratostene.cpp:16:24: error: ‘j’ was not declared in this scope; did you mean ‘jn’? 16 | for(int j=2; i*j<=N; j++) | ^ | jn eratostene.cpp:18:3: error: expected ‘;’ before ‘ ’ 18 | | ^ | ; 19 | fin>>n; | ~~ eratostene.cpp:20:3: error: expected ‘;’ before ‘for’ 20 | for(int i=1;i<=n;i++) | ^~~~ | ; eratostene.cpp:20:19: error: ‘n’ was not declared in this scope; did you mean ‘yn’? 20 | for(int i=1;i<=n;i++) | ^ | yn eratostene.cpp:25:3: error: expected ‘;’ before ‘fout’ 25 | fout<<ct; | ^~~~~ | ; eratostene.cpp:26:3: error: expected ‘;’ before ‘return’ 26 | return 0; | ^~~~~~~ | ;
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.