Eroare de compilare: main.cpp:3:1: error: 'ifstream' does not name a type ifstream fin("adunare.in"); ^~~~~~~~ main.cpp:4:1: error: 'ofstream' does not name a type ofstream fout("adunare.out"); ^~~~~~~~ main.cpp: In function 'int main(int, char**)': main.cpp:7:3: error: 'fin' was not declared in this scope fin >> a >> b; ^~~ main.cpp:8:3: error: 'fout' was not declared in this scope fout << a + b; ^~~~ Non zero exit status: 1