Eroare de compilare: main.cpp:2:1: error: 'ifstream' does not name a type ifstream cin("ciur.in"); ^~~~~~~~ main.cpp:3:1: error: 'ofstream' does not name a type ofstream cout("ciur.out"); ^~~~~~~~ main.cpp: In function 'int main()': main.cpp:8:5: error: 'cin' was not declared in this scope cin>>n; ^~~ main.cpp:10:5: error: expected ',' or ';' before 'bool' bool notprime[MaxN]; ^~~~ main.cpp:13:12: error: 'notprime' was not declared in this scope if(notprime[div]) ^~~~~~~~ main.cpp:19:13: error: 'notprime' was not declared in this scope notprime[i]=true; ^~~~~~~~ main.cpp:25:12: error: 'notprime' was not declared in this scope if(notprime[i]==true) nr++; ^~~~~~~~ main.cpp:27:5: error: 'cout' was not declared in this scope cout<<nr; ^~~~ main.cpp:9:9: warning: unused variable 'MaxN' [-Wunused-variable] int MaxN=20000005 ^~~~ Non zero exit status: 1