ID NAME QUALITY USERS ACC % DIFFICULTY C I
30785 Ada and Apple   6 41
27
17
32952 Ada and Football   2 11
32223 Ada and Lychees   1 4
50
50
28449 Ada and List   5 130
10
17
32856 Ada and Contact   12
30760 Ada and Travelling Salesman   6 38
24
34
15454 How to Handle the Fans   25 1092
11
11
5832 AND Rounds   28 1233
19
22
27379 Unique Code   15 80
21
20
61 Brackets   133 3780
18
20
14742 Building Bridges(HARD)   8 302
13
15
6168 Building Bridges   16 1109
9
15
23742 Dolan and Nephews   4 17
30
27
33019 Catering Contracts   5 37
24
21
12563 Halt The War   3 230
24
22
13015 Counting Primes   20 743
17
14
7296 Trees Again   2 125
17
26
9722 Insertion Sort   15 2523
10
12
5296 Air Combat   53
10628 Count on a tree   38 1106
32
32
10707 Count on a tree II   30 716
31
34
11414 Combat on a tree   2 84
28
34
11482 Count on a trie   30
34
50
16245 Living with Courage   14 389
10
15
1108 Card Trick   31 1566
21
21
10810 Its a Murder!   33 1759
16
18
3978 Distance Query   21 618
22
21
3267 D-query   252 5347
19
24
9577 Dynamic Tree Connectivity   5 216
31
20
1684 Frequent values   74 2538
20
20
18185 Give Away   8 120
26
21
11985 Gao on a tree   12 187
28
23
12005 Grass Planting   3 132
38
17
1043 Can you answer these queries I   337 7528
24
24
1557 Can you answer these queries II   13 814
31
35
1716 Can you answer these queries III   139 5653
22
21
2713 Can you answer these queries IV   33 1390
21
21
2916 Can you answer these queries V   32 1396
21
23
4487 Can you answer these queries VI   14 690
35
33
6779 Can you answer these queries VII   5 395
36
23
19543 Can you answer these queries VIII   4 32
39
39
132 Help R2-D2!   2 600
27
24
12210 High and Low   59
8002 Horrible Queries   266 6823
19
19
18247 Arrangement Validity   5 120
14
17
18248 Maggu’s Solar Panels   36
26721 I LOVE Kd-TREES III   3 48
34
34
3693 Maximum Sum   32 4384
20
18
8985 Line up   14 252
18
19
20063 Large subsequence Problem   13 358
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