ID NAME QUALITY USERS ACC % DIFFICULTY C I
30785 Ada and Apple   4 35
26
17
32952 Ada and Football   2 11
32223 Ada and Lychees   1 4
50
50
28449 Ada and List   5 126
12
20
32856 Ada and Contact   12
30760 Ada and Travelling Salesman   6 36
24
34
15454 How to Handle the Fans   24 1071
11
11
5832 AND Rounds   27 1197
19
22
27379 Unique Code   14 78
20
20
61 Brackets   128 3679
18
20
14742 Building Bridges(HARD)   8 289
13
15
6168 Building Bridges   15 1093
10
15
23742 Dolan and Nephews   4 17
30
27
33019 Catering Contracts   4 33
21
17
12563 Halt The War   3 218
24
22
13015 Counting Primes   20 722
17
14
7296 Trees Again   2 121
17
26
9722 Insertion Sort   16 2471
10
12
5296 Air Combat   52
10628 Count on a tree   36 1074
32
32
10707 Count on a tree II   30 689
31
34
11414 Combat on a tree   2 84
28
34
11482 Count on a trie   30
34
50
16245 Living with Courage   14 378
10
15
1108 Card Trick   29 1547
20
21
10810 Its a Murder!   33 1737
16
18
3978 Distance Query   18 581
21
21
3267 D-query   249 5140
19
24
9577 Dynamic Tree Connectivity   5 213
31
20
1684 Frequent values   72 2496
20
21
18185 Give Away   7 102
31
24
11985 Gao on a tree   12 183
28
23
12005 Grass Planting   3 129
38
17
1043 Can you answer these queries I   324 7306
24
24
1557 Can you answer these queries II   11 804
31
36
1716 Can you answer these queries III   128 5503
22
21
2713 Can you answer these queries IV   31 1323
21
20
2916 Can you answer these queries V   30 1366
22
24
4487 Can you answer these queries VI   13 678
35
33
6779 Can you answer these queries VII   5 389
36
23
19543 Can you answer these queries VIII   4 32
39
39
132 Help R2-D2!   3 591
27
24
12210 High and Low   59
8002 Horrible Queries   255 6634
19
19
18247 Arrangement Validity   5 114
14
17
18248 Maggu’s Solar Panels   36
26721 I LOVE Kd-TREES III   3 48
34
34
3693 Maximum Sum   30 4263
20
18
8985 Line up   13 246
18
20
20063 Large subsequence Problem   10 346
11
16

#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