Eroare de compilare: user.cpp:3:17: error: ‘stdl’ is not a namespace-name using namespace stdl ^ user.cpp:4:1: error: expected namespace-name before ‘ifstream’ ifstream f("adunare.in"); ^ user.cpp:4:1: error: expected ‘;’ before ‘ifstream’ user.cpp:4:1: error: ‘ifstream’ does not name a type user.cpp:5:1: error: ‘ofstream’ does not name a type ofstream g("adunare.out"); ^ user.cpp: In function ‘int main()’: user.cpp:10:5: error: ‘f’ was not declared in this scope f>>a>>b; ^ user.cpp:11:5: error: ‘g’ was not declared in this scope g<<a+b; ^