Eroare de compilare: main.cpp:4:5: error: cannot declare '::main' to be a global variable int main{ ^~~~ main.cpp:5:1: error: expected primary-expression before 'int' int a,b; ^~~ main.cpp:5:1: error: expected '}' before 'int' main.cpp:8:1: error: 'f' does not name a type f>>a>>b; ^ main.cpp:9:1: error: 'g' does not name a type g<<a+b; ^ main.cpp:10:1: error: 'f' does not name a type f.close(); ^ main.cpp:11:1: error: 'g' does not name a type g.close(); ^ main.cpp:12:1: error: expected unqualified-id before 'return' return 0; ^~~~~~ main.cpp:14:1: error: expected declaration before '}' token } ^ Non zero exit status: 1