ID NAME QUALITY USERS ACC % DIFFICULTY C I
30785 Ada and Apple   2 22
34
26
32952 Ada and Fotball   1 6
32223 Ada and Lychees   1 3
50
50
28449 Ada and List   5 99
12
20
32856 Ada and Contact   9
30760 Ada and Travelling Salesman   3 11
28
34
15454 How to Handle the Fans   19 891
11
13
5832 AND Rounds   22 1060
19
23
27379 Unique Code   13 55
20
20
61 Brackets   100 3338
19
20
14742 Building Bridges(HARD)   7 250
13
15
6168 Building Bridges   12 995
11
15
23742 Dolan and Nephews   3 15
30
26
33019 Catering Contracts   3 19
23
17
12563 Halt The War   3 188
24
22
13015 Counting Primes   19 594
18
17
7296 Trees Again   2 116
17
26
9722 Insertion Sort   11 2349
15
11
5296 Air Combat   52
10628 Count on a tree   26 927
33
32
10707 Count on a tree II   25 543
33
35
11414 Combat on a tree   2 71
28
34
11482 Count on a trie   28
34
50
16245 Living with Courage   14 339
10
15
1108 Card Trick   23 1447
20
21
10810 Its a Murder!   22 1587
16
21
3978 Distance Query   14 500
21
21
3267 D-query   196 4267
19
24
9577 Dynamic Tree Connectivity   4 185
30
17
1684 Frequent values   57 2229
20
22
18185 Give Away   2 41
34
34
11985 Gao on a tree   9 156
32
26
12005 Grass Planting   3 114
38
17
1043 Can you answer these queries I   251 6339
24
25
1557 Can you answer these queries II   8 738
32
35
1716 Can you answer these queries III   104 4835
23
22
2713 Can you answer these queries IV   24 1087
24
20
2916 Can you answer these queries V   18 1222
20
26
4487 Can you answer these queries VI   9 610
35
31
6779 Can you answer these queries VII   4 360
36
24
19543 Can you answer these queries VIII   2 17
34
34
132 Help R2-D2!   3 554
30
30
12210 High and Low   55
8002 Horrible Queries   210 5683
19
19
18247 Arrangement Validity   5 104
14
17
18248 Maggu’s Solar Panels   36
26721 I LOVE Kd-TREES III   3 34
34
34
3693 Maximum Sum   22 3618
23
21
8985 Line up   8 214
17
21
20063 Large subsequence Problem   5 284
12
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