Why from 0 to 65535?
0 to 65535 is the range of numbers we can store in a 16-bit unsigned integer data structure, because its total number of permutations is 65536.
0 is 0000 0000 0000 0000.
65535 is 1111 1111 1111 1111.
0 to 65535 is the range of numbers we can store in a 16-bit unsigned integer data structure, because its total number of permutations is 65536.
0 is 0000 0000 0000 0000.
65535 is 1111 1111 1111 1111.