Compilare: user.cpp: In function ‘void multiply(int*, int*, int*, int)’: user.cpp:76:29: warning: ‘sizeof’ on array function parameter ‘c’ will return size of ‘int*’ [-Wsizeof-array-argument] memset( c, 0, sizeof( c ) ); ^ user.cpp:74:40: note: declared here void multiply( int a[], int b[], int c[], int N ) ^ user.cpp:76:25: 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( c, 0, sizeof( c ) ); ^