Eroare de compilare: main.cpp: In function 'int main()': main.cpp:29:3: error: 'cin' was not declared in this scope 29 | cin.close(); | ^~~ main.cpp:2:1: note: 'std::cin' is defined in header '<iostream>'; did you forget to '#include <iostream>'? 1 | #include <fstream> +++ |+#include <iostream> 2 | using namespace std; Non zero exit status: 1