Compilare: user.cpp: In function ‘int main()’: user.cpp:33:32: 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(cand[i],0,sizeof(cand[i])); ^ user.cpp:35:31: 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(viz[i],0,sizeof(viz[i])); ^