16
Vasily Kuznetsov
Last seen 5 years ago
Member for 11 years, 6 months, 25 days
Difficulty Normal
Nov. 23, 2017, 1:36 p.m. | + 1 | for Comment Bibiche: Another idea : give each of 5 symbols chosen a priority among all permutations of [1,2,3,4,5]. So, n... |
Nov. 23, 2017, 1:33 p.m. | + 1 | for Comment xyproto: Very nice! The generator is a beautiful touch. |