Eroare de compilare: user.cpp:4:1: error: ‘ifstream’ does not name a type ifstream f("euclid2.in"); ^~~~~~~~ user.cpp:5:1: error: ‘ofstream’ does not name a type ofstream g("euclid2.out"); ^~~~~~~~ user.cpp: In function ‘int main()’: user.cpp:24:5: error: ‘f’ was not declared in this scope f>>T; ^ user.cpp:28:9: error: ‘g’ was not declared in this scope g<<euclid(a,b)<<'\n'; ^