Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:8:17: error: variable ‘std::ifstream fin’ has initializer but incomplete type ifstream fin("clepsidru.in"); ^ user.cpp:9:18: error: variable ‘std::ofstream fout’ has initializer but incomplete type ofstream fout("clepsidru.out"); ^ user.cpp:10:10: error: expected primary-expression before ‘>’ token fin>>>n>>b; ^ user.cpp:7:13: warning: unused variable ‘s’ [-Wunused-variable] int n,b,s,p,k; ^ user.cpp:7:15: warning: unused variable ‘p’ [-Wunused-variable] int n,b,s,p,k; ^ user.cpp:7:17: warning: unused variable ‘k’ [-Wunused-variable] int n,b,s,p,k; ^