Eroare de compilare: user.cpp:1:1: error: stray ‘\177’ in program #include <fstream> ^ user.cpp:1:2: error: stray ‘#’ in program #include <fstream> ^ user.cpp:1:3: error: ‘include’ does not name a type #include <fstream> ^~~~~~~ user.cpp: In function ‘int main()’: user.cpp:8:5: error: ‘ifstream’ was not declared in this scope ifstream cin("prim.in"); ^~~~~~~~ user.cpp:9:5: error: ‘ofstream’ was not declared in this scope ofstream cout("prim.out"); ^~~~~~~~ user.cpp:22:5: error: ‘cin’ was not declared in this scope cin>>n; ^~~ user.cpp:23:5: error: ‘cout’ was not declared in this scope cout<<(long long)(prime[n]*prime[n]); ^~~~