ID NAME QUALITY USERS ACC % DIFFICULTY C I
30785 Ada and Apple   6 52
27
17
32952 Ada and Football   2 15
32223 Ada and Lychees   1 4
50
50
28449 Ada and List   6 145
10
17
32856 Ada and Contact   12
30760 Ada and Travelling Salesman   9 59
25
32
15454 How to Handle the Fans   26 1147
11
11
5832 AND Rounds   34 1303
17
20
27379 Unique Code   15 84
21
20
61 Brackets   143 3990
19
20
14742 Building Bridges(HARD)   9 314
13
15
6168 Building Bridges   21 1156
10
16
23742 Dolan and Nephews   4 19
30
27
33019 Catering Contracts   5 49
23
24
12563 Halt The War   3 241
24
22
13015 Counting Primes   22 781
17
14
7296 Trees Again   4 143
21
30
9722 Insertion Sort   20 2838
12
12
5296 Air Combat   54
10628 Count on a tree   41 1208
33
32
10707 Count on a tree II   31 825
31
34
11414 Combat on a tree   3 92
30
34
11482 Count on a trie   34
34
50
16245 Living with Courage   14 404
10
15
1108 Card Trick   33 1612
21
21
10810 Its a Murder!   37 1825
16
18
3978 Distance Query   23 686
22
21
3267 D-query   284 5781
19
23
9577 Dynamic Tree Connectivity   8 249
34
26
1684 Frequent values   79 2668
20
20
18185 Give Away   15 171
22
18
11985 Gao on a tree   12 211
28
23
12005 Grass Planting   3 157
38
17
1043 Can you answer these queries I   386 8133
24
24
1557 Can you answer these queries II   14 850
31
35
1716 Can you answer these queries III   154 6060
22
21
2713 Can you answer these queries IV   40 1513
22
21
2916 Can you answer these queries V   34 1464
22
22
4487 Can you answer these queries VI   15 731
36
31
6779 Can you answer these queries VII   7 420
37
26
19543 Can you answer these queries VIII   4 37
39
39
132 Help R2-D2!   2 615
27
24
12210 High and Low   59
8002 Horrible Queries   291 7419
20
18
18247 Arrangement Validity   6 133
15
20
18248 Maggu’s Solar Panels   36
26721 I LOVE Kd-TREES III   3 50
34
34
3693 Maximum Sum   41 4676
20
19
8985 Line up   15 271
17
18
20063 Large subsequence Problem   14 377
9
14

#tree

Tree is a data structure that simulates a hierarchical tree structure

https://en.wikipedia.org/wiki/Tree_(data_structure) https://en.wikibooks.org/wiki/Data_Structures/Trees http://www.i-programmer.info/babbages-bag/477-trees.html