Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:6:5: error: ‘ifsteam’ was not declared in this scope ifsteam in("adunare.in"); ^ user.cpp:6:13: error: expected ‘;’ before ‘in’ ifsteam in("adunare.in"); ^ user.cpp:7:5: error: ‘oftream’ was not declared in this scope oftream out("adunare.out") ^ user.cpp:7:13: error: expected ‘;’ before ‘out’ oftream out("adunare.out") ^ user.cpp:9:5: error: ‘in’ was not declared in this scope in>>a>>b; ^ user.cpp:9:9: error: ‘a’ was not declared in this scope in>>a>>b; ^ user.cpp:9:12: error: ‘b’ was not declared in this scope in>>a>>b; ^ user.cpp:10:5: error: ‘out’ was not declared in this scope out<<a+b; ^