Compilare: user.cpp: In function ‘int main()’: user.cpp:12:8: warning: unused variable ‘aux’ [-Wunused-variable] ll aux, dif = (Y-X+1); ^ user.cpp:12:13: warning: unused variable ‘dif’ [-Wunused-variable] ll aux, dif = (Y-X+1); ^ user.cpp:13:15: warning: unused variable ‘l’ [-Wunused-variable] ll k = 0, l, r, mid, ans, v; ^ user.cpp:13:18: warning: unused variable ‘r’ [-Wunused-variable] ll k = 0, l, r, mid, ans, v; ^ user.cpp:13:21: warning: unused variable ‘mid’ [-Wunused-variable] ll k = 0, l, r, mid, ans, v; ^ user.cpp:13:31: warning: unused variable ‘v’ [-Wunused-variable] ll k = 0, l, r, mid, ans, v; ^ user.cpp:38:28: warning: ‘ans’ may be used uninitialized in this function [-Wmaybe-uninitialized] cout << (ans / (1LL<<k)) << ' ' << k << '\n'; ^