Eroare de compilare: main.cpp:4:1: error: 'istream' does not name a type 4 | istream fin ("adunare.in"); | ^~~~~~~ main.cpp:5:1: error: 'ostream' does not name a type 5 | ostream fout ("adunare.out"); | ^~~~~~~ main.cpp: In function 'int main()': main.cpp:12:5: error: 'fin' was not declared in this scope; did you mean 'sin'? 12 | fin>>a>>b; | ^~~ | sin main.cpp:13:5: error: 'fout' was not declared in this scope 13 | fout<<a+b; | ^~~~ Non zero exit status: 1