Compilare: user.cpp: In function ‘void Solve()’: user.cpp:17:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1 ; i <= Y ; ++i ) ^ user.cpp:11:35: warning: unused variable ‘m’ [-Wunused-variable] unsigned long long int P = 1, m , n = 0, k1, k2, Exp; ^ user.cpp:11:39: warning: unused variable ‘n’ [-Wunused-variable] unsigned long long int P = 1, m , n = 0, k1, k2, Exp; ^ user.cpp:44:14: warning: ‘Exp’ may be used uninitialized in this function [-Wmaybe-uninitialized] --Exp; ^