ID NAME QUALITY USERS ACC % DIFFICULTY C I
28308 Ada and Spring Cleaning   52 1387
18
17
32577 Ada and Terramorphing   10 246
31
23
37420 Anti Hash   3 34
42
42
40643 The Revenge Of Anti Hash   1 13
34
34
36671 Bipartite Permutation (Hard)   6 52
32
34
36946 March Of The King   3 13
45
45
40148 Distinct Cyclings   1 9
42
34
41374 Digit Shifts   12
34
17
29 Hash it!   14 3596
14
8
36667 Solution to all the problems   13 144
15
11
17150 Palin Square   6 113
21
30
27498 Votka and String   2 77
24
17

#hashing

The problem involves cryptographic hash function, checksum or the like

https://en.wikipedia.org/wiki/Hash_function https://en.wikipedia.org/wiki/Cryptographic_hash_function https://en.wikipedia.org/wiki/Checksum https://en.wikipedia.org/wiki/Hash_table