ID NAME QUALITY USERS ACC % DIFFICULTY C I
28449 Ada and List   4 35
23
34
15454 How to Handle the Fans   14 715
12
15
5832 AND Rounds   18 934
19
24
27379 Unique Code   8 32
23
26
61 Brackets   69 2957
18
19
14742 Building Bridges(HARD)   4 222
23
23
6168 Building Bridges   11 899
12
17
23742 Dolan and Nephews   1 11
34
17
12563 Halt The War   3 160
27
24
13015 Counting Primes   16 504
16
15
7296 Trees Again   108
9722 Insertion Sort   7 2189
16
11
5296 Air Combat   51
10628 Count on a tree   17 757
30
32
10707 Count on a tree II   13 409
34
38
11414 Combat on a tree   2 71
28
34
11482 Count on a trie   29
34
50
16245 Living with Courage   11 274
9
15
1108 Card Trick   16 1342
18
22
10810 Its a Murder!   12 1479
17
21
3267 D-query   125 3356
18
24
9577 Dynamic Tree Connectivity   3 159
34
13
1684 Frequent values   44 2001
21
22
18185 Give Away   2 37
34
34
11985 Gao on a tree   5 128
30
21
12005 Grass Planting   1 99
34
17
1043 Can you answer these queries I   186 5514
24
25
1557 Can you answer these queries II   5 693
36
36
1716 Can you answer these queries III   78 4245
23
22
2713 Can you answer these queries IV   22 941
25
21
2916 Can you answer these queries V   15 1112
19
27
4487 Can you answer these queries VI   6 563
35
32
6779 Can you answer these queries VII   2 345
38
28
19543 Can you answer these queries VIII   2 16
34
34
132 Help R2-D2!   3 533
30
30
12210 High and Low   54
8002 Horrible Queries   149 4801
19
20
18247 Arrangement Validity   3 94
17
23
18248 Maggu’s Solar Panels   32
26721 I LOVE Kd-TREES III   2 18
34
34
3693 Maximum Sum   14 3104
20
20
8985 Line up   4 191
17
23
20063 Large subsequence Problem   2 252
12
17
27337 LIS and tree   11
7259 Light Switching   35 2114
14
14
3946 K-th Number   44 1343
25
27
10596 Monkey and apples   3 73
17
1
3974 Another Tree Problem   4 571
17
17
7299 Multiples of 3   43 1843
20
18
709 The day of the competitors   13 1031
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