ID NAME QUALITY USERS ACC % DIFFICULTY C I
30785 Ada and Apple   11 96
31
26
32952 Ada and Football   2 45
50
42
32223 Ada and Lychees   3 9
42
26
28449 Ada and List   8 245
13
19
32856 Ada and Contact   1 17
30760 Ada and Travelling Salesman   15 140
24
30
15454 How to Handle the Fans   34 1352
11
11
5832 AND Rounds   48 1571
17
20
27379 Unique Code   19 98
20
20
61 Brackets   167 4500
18
20
14742 Building Bridges(HARD)   10 360
14
17
6168 Building Bridges   25 1455
11
16
23742 Dolan and Nephews   4 42
30
27
33019 Catering Contracts   6 76
22
26
12563 Halt The War   6 317
20
19
13015 Counting Primes   29 947
15
14
7296 Trees Again   4 155
21
30
9722 Insertion Sort   23 3052
12
12
5296 Air Combat   54
10628 Count on a tree   53 1494
32
32
10707 Count on a tree II   48 1194
32
33
11414 Combat on a tree   3 118
30
34
11482 Count on a trie   37
34
50
16245 Living with Courage   18 518
9
14
1108 Card Trick   58 1878
22
24
10810 Its a Murder!   50 2061
16
17
3978 Distance Query   45 1046
22
20
3267 D-query   377 7782
19
23
9577 Dynamic Tree Connectivity   10 340
30
25
1684 Frequent values   105 3066
20
20
18185 Give Away   19 380
22
20
11985 Gao on a tree   18 404
29
26
12005 Grass Planting   6 228
37
17
1043 Can you answer these queries I   532 10020
25
24
1557 Can you answer these queries II   20 939
30
35
1716 Can you answer these queries III   203 7298
22
21
2713 Can you answer these queries IV   57 1852
21
21
2916 Can you answer these queries V   44 1692
22
23
4487 Can you answer these queries VI   21 854
34
30
6779 Can you answer these queries VII   12 491
39
25
19543 Can you answer these queries VIII   8 91
36
38
132 Help R2-D2!   12 715
22
18
12210 High and Low   61
8002 Horrible Queries   363 9102
19
18
18247 Arrangement Validity   10 178
17
23
18248 Maggu’s Solar Panels   1 39
34
34
26721 I LOVE Kd-TREES III   3 64
34
34
37375 Kingdom of Equality   2 5
34
34
3693 Maximum Sum   52 5559
20
18
8985 Line up   16 331
17
18

#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