Eroare de compilare: main.cpp: In function 'int main()': main.cpp:10:5: error: 'cin' was not declared in this scope 10 | cin>>t; | ^~~ main.cpp:3:1: note: 'std::cin' is defined in header '<iostream>'; did you forget to '#include <iostream>'? 2 | #include <cmath> +++ |+#include <iostream> 3 | main.cpp:15:9: error: 'cout' was not declared in this scope 15 | cout << (int)log2(n) + 1 << endl; | ^~~~ main.cpp:15:9: note: 'std::cout' is defined in header '<iostream>'; did you forget to '#include <iostream>'? Non zero exit status: 1