3 ms·
how come length 8 and 9 have the same number of combinations?
by kevindqc 10y ago
how come length 8 and 9 have the same number of combinations?
- allenz 10y agoThere is a one-to-one correspondence between them: a length 9 combination is just a length 8 combination followed by the sole remaining node. The lock screen has 9 nodes.