Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:7:5: error: ‘ifstream’ was not declared in this scope ifstream d("divk.in"); ^ user.cpp:7:14: error: expected ‘;’ before ‘d’ ifstream d("divk.in"); ^ user.cpp:8:5: error: ‘ofstream’ was not declared in this scope ofstream o("divk.out"); ^ user.cpp:8:14: error: expected ‘;’ before ‘o’ ofstream o("divk.out"); ^ user.cpp:9:5: error: ‘d’ was not declared in this scope d>>n>>k>>A>>B; ^ user.cpp:23:5: error: ‘o’ was not declared in this scope o<<sol; ^