ID NAME QUALITY USERS ACC % DIFFICULTY C I
30785 Ada and Apple   9 76
30
21
32952 Ada and Football   1 39
50
50
32223 Ada and Lychees   1 7
50
50
28449 Ada and List   7 234
13
19
32856 Ada and Contact   14
30760 Ada and Travelling Salesman   12 99
24
32
15454 How to Handle the Fans   31 1268
11
11
5832 AND Rounds   44 1456
17
21
27379 Unique Code   18 94
20
20
61 Brackets   160 4313
18
20
14742 Building Bridges(HARD)   9 336
13
15
6168 Building Bridges   24 1378
11
16
23742 Dolan and Nephews   4 40
30
27
33019 Catering Contracts   6 67
22
26
12563 Halt The War   6 280
21
19
13015 Counting Primes   26 879
16
14
7296 Trees Again   4 153
21
30
9722 Insertion Sort   22 2972
13
13
5296 Air Combat   54
10628 Count on a tree   46 1372
33
32
10707 Count on a tree II   39 1002
31
33
11414 Combat on a tree   3 109
30
34
11482 Count on a trie   35
34
50
16245 Living with Courage   15 504
10
15
1108 Card Trick   52 1746
22
24
10810 Its a Murder!   43 1954
16
17
3978 Distance Query   39 892
22
21
9577 Dynamic Tree Connectivity   8 306
34
26
1684 Frequent values   95 2927
20
21
18185 Give Away   20 283
22
20
11985 Gao on a tree   15 308
30
26
12005 Grass Planting   6 206
37
17
1043 Can you answer these queries I   484 9252
24
24
1557 Can you answer these queries II   20 901
30
35
1716 Can you answer these queries III   184 6805
22
21
2713 Can you answer these queries IV   51 1725
22
20
2916 Can you answer these queries V   41 1600
21
23
4487 Can you answer these queries VI   20 825
34
30
6779 Can you answer these queries VII   10 466
39
26
19543 Can you answer these queries VIII   7 85
36
39
132 Help R2-D2!   11 678
22
20
12210 High and Low   60
8002 Horrible Queries   343 8538
20
18
18247 Arrangement Validity   8 156
17
23
18248 Maggu’s Solar Panels   1 38
34
34
26721 I LOVE Kd-TREES III   3 58
34
34
3693 Maximum Sum   46 5187
21
19
8985 Line up   16 309
17
18
20063 Large subsequence Problem   16 407
9
13
27337 LIS and tree   24
34
17

#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