Eroare de compilare: main.cpp: In function 'int main()': main.cpp:12:10: error: 'cin' is not a member of 'std' 12 | std::cin >> n; | ^~~ main.cpp:2:1: note: 'std::cin' is defined in header '<iostream>'; did you forget to '#include <iostream>'? 1 | #include <fstream> +++ |+#include <iostream> 2 | #define N 501 main.cpp:15:14: error: 'cin' is not a member of 'std' 15 | std::cin >> arr[i]; | ^~~ main.cpp:15:14: note: 'std::cin' is defined in header '<iostream>'; did you forget to '#include <iostream>'? main.cpp:28:10: error: 'cout' is not a member of 'std' 28 | std::cout << sum; | ^~~~ main.cpp:28:10: note: 'std::cout' is defined in header '<iostream>'; did you forget to '#include <iostream>'? Non zero exit status: 1