Eroare de compilare: user.cpp:4:12: error: variable ‘std::ifstream in’ has initializer but incomplete type ifstream in("bunicu.in"; ^ user.cpp:4:24: error: expected ‘)’ before ‘;’ token ifstream in("bunicu.in"; ^ user.cpp:5:13: error: variable ‘std::ofstream out’ has initializer but incomplete type ofstream out("bunicu.out"); ^ user.cpp: In function ‘int main()’: user.cpp:9:22: warning: unused variable ‘j’ [-Wunused-variable] int t , n , i , j , nou =1 , a[1001][1001]; ^ user.cpp:9:26: warning: unused variable ‘nou’ [-Wunused-variable] int t , n , i , j , nou =1 , a[1001][1001]; ^ user.cpp:9:35: warning: unused variable ‘a’ [-Wunused-variable] int t , n , i , j , nou =1 , a[1001][1001]; ^