Compilare: user.cpp: In function ‘void lgput(int*, int, int*)’: user.cpp:26:30: 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] if(!x) {memset(A,0,sizeof(A)); A[0]=A[1]=1; return;} ^ user.cpp:27:22: 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(B,0,sizeof(B)); ^