Eroare de compilare: main.cpp: In function 'int main()': main.cpp:18:22: error: 'cin' was not declared in this scope 18 | int n,x,ans = 0; 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 | using namespace std; main.cpp:33:5: error: 'cout' was not declared in this scope 33 | cout << ans; | ^~~~ main.cpp:33:5: note: 'std::cout' is defined in header '<iostream>'; did you forget to '#include <iostream>'? Non zero exit status: 1