ID NAME QUALITY USERS ACC % DIFFICULTY C I
32840 Ada and Digits   15 173
20
18
1704 Countdown   298
26
9
36946 March Of The King   3 14
45
45
18297 Problem4   24 538
18
20
18298 Problem5   9 491
12
12
56 Dyzio   8 1216
11
14
27182 Easy modified sudoku   4 308
17
12
1790 Binary Search Heap Construction   6 322
21
22
31 Fast Multiplication   48 8984
15
12
25 Pouring water   100 5504
19
22
2047 Stone Removing Game   -1 132
339 Recursive Sequence   77 3751
20
17
479 Permutation generator   1 127
21
17
738 Another Counting Problem   1 231
1
1
5885 Troops of Sand Monsters   2 108
17
17

#recursion

Recursion is a method where the solution to a problem depends on solutions to smaller instances of the same problem

https://en.wikipedia.org/wiki/Recursion_(computer_science) https://en.wikipedia.org/wiki/Recursion - as a general term https://www.khanacademy.org/computing/computer-science/algorithms/recursive-algorithms/a/recursion http://learnyouahaskell.com/recursion - recursion in Haskell