Compilare: user.cpp: In function ‘void lee(int (*)[102], int, int)’: user.cpp:38:22: 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(h,0,sizeof(h)); ^ user.cpp: In function ‘int main()’: user.cpp:77:9: warning: unused variable ‘i’ [-Wunused-variable] int i,j; ^ user.cpp:77:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j; ^