Eroare de compilare: main.cpp:5:5: error: cannot declare '::main' to be a global variable int main ^~~~ main.cpp:9:13: error: expected primary-expression before 'cin' ifstream cin ("adunare.in") ^~~ main.cpp:9:13: error: expected '}' before 'cin' main.cpp:12:1: error: 'cin' does not name a type cin>>b; ^~~ main.cpp:13:7: error: 's' does not name a type s=0; ^ main.cpp:14:7: error: 's' does not name a type s=a+b; ^ main.cpp:15:5: error: 'cout' does not name a type cout << s << endl; ^~~~ main.cpp:16:5: error: expected unqualified-id before 'return' return 0; ^~~~~~ main.cpp:17:1: error: expected declaration before '}' token } ^ Non zero exit status: 1