Eroare de compilare: user.cpp:1:21: error: fstream.h: No such file or directory user.cpp: In function ‘int main()’: user.cpp:364: error: ‘ifstream’ was not declared in this scope user.cpp:364: error: expected ‘;’ before ‘fin’ user.cpp:365: error: ‘fin’ was not declared in this scope user.cpp:382: error: ‘ofstream’ was not declared in this scope user.cpp:382: error: expected ‘;’ before ‘fout’ user.cpp:383: error: ‘fout’ was not declared in this scope user.cpp:362: warning: unused variable ‘primu1’ user.cpp:362: warning: unused variable ‘primu2’ user.cpp:362: warning: unused variable ‘doilea1’ user.cpp:362: warning: unused variable ‘doilea2’