ID NAME QUALITY USERS ACC % DIFFICULTY C I
28449 Ada and List   3 12
23
34
15454 How to Handle the Fans   14 682
12
15
5832 AND Rounds   16 909
19
23
27379 Unique Code   8 32
23
26
61 Brackets   63 2875
19
18
14742 Building Bridges(HARD)   4 216
23
23
6168 Building Bridges   11 873
12
17
23742 Dolan and Nephews   1 11
34
17
12563 Halt The War   3 160
27
24
13015 Counting Primes   13 485
16
15
7296 Trees Again   107
9722 Insertion Sort   6 2169
16
11
5296 Air Combat   51
10628 Count on a tree   13 713
32
32
10707 Count on a tree II   9 343
34
40
11414 Combat on a tree   1 67
26
34
11482 Count on a trie   26
34
50
16245 Living with Courage   10 259
7
13
1108 Card Trick   15 1318
20
24
10810 Its a Murder!   11 1449
17
22
3267 D-query   109 3152
19
23
9577 Dynamic Tree Connectivity   3 152
34
13
1684 Frequent values   43 1952
20
21
18185 Give Away   1 33
34
34
11985 Gao on a tree   5 126
30
21
12005 Grass Planting   1 98
34
17
1043 Can you answer these queries I   165 5324
24
24
1557 Can you answer these queries II   4 673
34
34
1716 Can you answer these queries III   71 4112
23
22
2713 Can you answer these queries IV   22 908
26
22
2916 Can you answer these queries V   13 1088
19
26
4487 Can you answer these queries VI   3 547
34
31
6779 Can you answer these queries VII   2 340
38
28
19543 Can you answer these queries VIII   2 15
34
34
132 Help R2-D2!   3 528
30
30
12210 High and Low   54
8002 Horrible Queries   140 4597
19
19
18247 Arrangement Validity   2 90
17
26
18248 Maggu’s Solar Panels   32
26721 I LOVE Kd-TREES III   1 16
34
34
3693 Maximum Sum   12 2994
22
22
8985 Line up   3 189
17
26
20063 Large subsequence Problem   2 248
17
26
27337 LIS and tree   3
7259 Light Switching   32 2056
14
14
3946 K-th Number   39 1264
26
27
10596 Monkey and apples   3 73
17
1
3974 Another Tree Problem   4 565
17
17
7299 Multiples of 3   41 1777
19
17
709 The day of the competitors   12 995
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