ID NAME QUALITY USERS ACC % DIFFICULTY C I
30785 Ada and Apple   6 44
27
17
32952 Ada and Football   2 13
32223 Ada and Lychees   1 4
50
50
28449 Ada and List   6 141
10
17
32856 Ada and Contact   12
30760 Ada and Travelling Salesman   6 47
23
31
15454 How to Handle the Fans   25 1106
11
11
5832 AND Rounds   29 1244
19
22
27379 Unique Code   15 81
21
20
61 Brackets   133 3829
18
20
14742 Building Bridges(HARD)   9 312
13
15
6168 Building Bridges   18 1126
10
15
23742 Dolan and Nephews   4 18
30
27
33019 Catering Contracts   5 45
23
24
12563 Halt The War   3 234
24
22
13015 Counting Primes   20 754
17
14
7296 Trees Again   3 133
23
28
9722 Insertion Sort   16 2532
10
12
5296 Air Combat   53
10628 Count on a tree   40 1136
33
32
10707 Count on a tree II   30 748
31
34
11414 Combat on a tree   2 85
28
34
11482 Count on a trie   30
34
50
16245 Living with Courage   14 394
10
15
1108 Card Trick   32 1578
20
21
10810 Its a Murder!   35 1778
16
18
3978 Distance Query   22 634
22
21
3267 D-query   260 5467
19
23
9577 Dynamic Tree Connectivity   6 227
31
22
1684 Frequent values   75 2575
20
20
18185 Give Away   9 133
26
21
11985 Gao on a tree   12 195
28
23
12005 Grass Planting   3 144
38
17
1043 Can you answer these queries I   348 7686
24
24
1557 Can you answer these queries II   13 827
31
35
1716 Can you answer these queries III   143 5763
22
21
2713 Can you answer these queries IV   36 1433
22
20
2916 Can you answer these queries V   33 1417
21
23
4487 Can you answer these queries VI   15 709
36
31
6779 Can you answer these queries VII   5 400
36
23
19543 Can you answer these queries VIII   4 33
39
39
132 Help R2-D2!   2 602
27
24
12210 High and Low   59
8002 Horrible Queries   270 6982
19
19
18247 Arrangement Validity   5 125
14
17
18248 Maggu’s Solar Panels   36
26721 I LOVE Kd-TREES III   3 48
34
34
3693 Maximum Sum   33 4463
20
18
8985 Line up   14 260
18
19
20063 Large subsequence Problem   13 366
10
15

#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