Eroare de compilare: main.cpp: In function 'int main()': main.cpp:112:5: error: 'cin' was not declared in this scope 112 | cin.tie(0); | ^~~ main.cpp:21:1: note: 'std::cin' is defined in header '<iostream>'; did you forget to '#include <iostream>'? 20 | #include <complex> +++ |+#include <iostream> 21 | main.cpp:124:5: error: 'cout' was not declared in this scope 124 | cout << nr << '\n'; | ^~~~ main.cpp:124:5: note: 'std::cout' is defined in header '<iostream>'; did you forget to '#include <iostream>'? Non zero exit status: 1