ID NAME QUALITY USERS ACC % DIFFICULTY C I
28308 Ada and Spring Cleaning   54 1500
18
17
32577 Ada and Terramorphing   11 260
31
24
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 14
45
45
40148 Distinct Cyclings   1 11
42
34
41374 Digit Shifts   1 13
34
23
29 Hash it!   14 3639
14
8
36667 Solution to all the problems   13 149
15
11
17150 Palin Square   6 113
21
30
27498 Votka and String   3 78
26
21

#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