Eroare de compilare: user.cpp:3:1: error: ‘ifstream’ does not name a type ifstream f("elmaj.in"); ^ user.cpp:4:1: error: ‘ofstream’ does not name a type ofstream g("elmaj.out"); ^ user.cpp: In function ‘int main()’: user.cpp:9:5: error: ‘f’ was not declared in this scope f>>n;nr1=0; ^ user.cpp:25:9: error: ‘g’ was not declared in this scope g<<m<<" "<<nr1; ^ user.cpp:27:9: error: ‘g’ was not declared in this scope g<<"-1"; ^