Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:10:5: error: ‘cin’ was not declared in this scope cin>>t; ^ 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]; ^