ID NAME QUALITY USERS ACC % DIFFICULTY C I
28449 Ada and List   3 13
23
34
15454 How to Handle the Fans   14 698
12
15
5832 AND Rounds   17 925
19
24
27379 Unique Code   8 32
23
26
61 Brackets   69 2914
19
19
14742 Building Bridges(HARD)   4 220
23
23
6168 Building Bridges   11 888
12
17
23742 Dolan and Nephews   1 11
34
17
12563 Halt The War   3 160
27
24
13015 Counting Primes   15 495
16
15
7296 Trees Again   107
9722 Insertion Sort   6 2176
16
11
5296 Air Combat   51
10628 Count on a tree   14 738
31
32
10707 Count on a tree II   11 384
34
38
11414 Combat on a tree   2 69
28
34
11482 Count on a trie   28
34
50
16245 Living with Courage   11 270
9
15
1108 Card Trick   15 1326
20
24
10810 Its a Murder!   11 1461
17
22
3267 D-query   118 3239
19
23
9577 Dynamic Tree Connectivity   3 155
34
13
1684 Frequent values   44 1983
20
22
18185 Give Away   1 33
34
34
11985 Gao on a tree   5 128
30
21
12005 Grass Planting   1 98
34
17
1043 Can you answer these queries I   174 5419
24
24
1557 Can you answer these queries II   5 683
36
36
1716 Can you answer these queries III   76 4183
23
21
2713 Can you answer these queries IV   21 925
26
22
2916 Can you answer these queries V   15 1100
19
27
4487 Can you answer these queries VI   4 554
34
31
6779 Can you answer these queries VII   2 342
38
28
19543 Can you answer these queries VIII   2 16
34
34
132 Help R2-D2!   3 532
30
30
12210 High and Low   54
8002 Horrible Queries   142 4703
19
19
18247 Arrangement Validity   2 92
17
26
18248 Maggu’s Solar Panels   32
26721 I LOVE Kd-TREES III   1 17
34
34
3693 Maximum Sum   12 3044
22
22
8985 Line up   3 190
17
26
20063 Large subsequence Problem   2 249
17
26
27337 LIS and tree   7
7259 Light Switching   32 2084
14
14
3946 K-th Number   41 1302
26
27
10596 Monkey and apples   3 73
17
1
3974 Another Tree Problem   4 568
17
17
7299 Multiples of 3   42 1809
20
17
709 The day of the competitors   12 1003
17
29

#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