Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:7:17: error: variable ‘std::ifstream cin’ has initializer but incomplete type { ifstream cin("zuma.in"); ^ user.cpp:8:18: error: variable ‘std::ofstream cout’ has initializer but incomplete type ofstream cout("zuma.out"); ^ user.cpp: At global scope: user.cpp:51:5: error: ‘cout’ does not name a type cout<<dp[n]; ^~~~ user.cpp:52:5: error: expected unqualified-id before ‘return’ return 0; ^~~~~~ user.cpp:53:1: error: expected declaration before ‘}’ token } ^