Eroare de compilare: main.cpp: In function 'long int eval(long int)': main.cpp:39:5: error: expected ';' before 'return' return r; ^~~~~~ main.cpp:40:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ main.cpp: In function 'int main()': main.cpp:43:5: error: 'ifstream' was not declared in this scope ifstream fin("evaluare.in"); ^~~~~~~~ main.cpp:44:5: error: 'ofstream' was not declared in this scope ofstream fout("evaluare.out"); ^~~~~~~~ main.cpp:45:5: error: 'cin' was not declared in this scope cin.getline(s,100010); ^~~ Non zero exit status: 1