Compilare: user.cpp: In function ‘void trans(long long int*, long long int)’: user.cpp:164:27: warning: argument to ‘sizeof’ in ‘void* memset(void*, int, size_t)’ call is the same expression as the destination; did you mean to dereference it? [-Wsizeof-pointer-memaccess] memset (a , 0 , sizeof(a)); ^ user.cpp: In function ‘void verif2(long long int, long long int)’: user.cpp:142:31: warning: ‘dif’ may be used uninitialized in this function [-Wmaybe-uninitialized] ans = min (ans , calc(nr) + dif - n); ^