ID NAME QUALITY USERS ACC % DIFFICULTY C I
32222 Ada and Panels   5 38
29
42
32579 Ada and Expenses   18 274
11
14
28304 Ada and Teams   22 311
16
16
29695 GO GOA GONE   22 647
12
13
34670 TWISTED ARRAY   103
3
13
37390 Colored Development   3 12
23
28
34945 Euler Puzzle   8 106
9
17
35351 Curse the Recursion   3 27
6
12
35552 Fibonacci Power Sum   3 13
12
28
14888 Good Predictions   13 866
5
11
24979 She was in Love with BST   3 199
17
20
30454 Luke vs. Darth Vader   13 205
17
16
78 Marbles   63 6824
15
13
34649 Big team formation   1 2
17
1
34635 Team formation   2 4
17
1
37422 Recurrence Power Sum   1 9
18153 Robert Langdon & The Rule of Three   2 19
17
26
286 Selfish Cities   1 662
34
34
27043 Subset Pattern   30
1
1
37391 Development Colored   2 5
34
26
34973 Yet Another Subset Sum Problem   1 2
17
34
479 Permutation generator   1 120
28
23

#combinatorics

Combinatorics is a branch of mathematics concerning the study of finite or countable discrete structures.

https://en.wikipedia.org/wiki/Combinatorics