ID NAME QUALITY USERS ACC % DIFFICULTY C I
30785 Ada and Apple   3 32
28
23
32952 Ada and Football   2 9
32223 Ada and Lychees   1 4
50
50
28449 Ada and List   5 118
12
20
32856 Ada and Contact   12
30760 Ada and Travelling Salesman   5 33
26
34
15454 How to Handle the Fans   24 1046
11
11
5832 AND Rounds   26 1170
19
22
27379 Unique Code   14 75
20
20
61 Brackets   124 3624
18
20
14742 Building Bridges(HARD)   8 283
13
15
6168 Building Bridges   13 1069
11
15
23742 Dolan and Nephews   4 17
30
27
33019 Catering Contracts   4 28
21
17
12563 Halt The War   3 212
24
22
13015 Counting Primes   19 704
17
14
7296 Trees Again   2 119
17
26
9722 Insertion Sort   14 2454
12
12
5296 Air Combat   53
10628 Count on a tree   36 1043
32
32
10707 Count on a tree II   27 668
33
34
11414 Combat on a tree   2 84
28
34
11482 Count on a trie   30
34
50
16245 Living with Courage   14 372
10
15
1108 Card Trick   28 1523
21
21
10810 Its a Murder!   31 1710
16
18
3978 Distance Query   16 558
21
21
3267 D-query   240 4971
19
24
9577 Dynamic Tree Connectivity   4 209
30
17
1684 Frequent values   71 2459
20
21
18185 Give Away   6 87
30
27
11985 Gao on a tree   12 175
28
23
12005 Grass Planting   3 125
38
17
1043 Can you answer these queries I   312 7131
24
24
1557 Can you answer these queries II   11 792
31
36
1716 Can you answer these queries III   124 5387
22
21
2713 Can you answer these queries IV   29 1298
22
21
2916 Can you answer these queries V   27 1338
22
23
4487 Can you answer these queries VI   13 670
35
33
6779 Can you answer these queries VII   5 384
36
23
19543 Can you answer these queries VIII   3 30
34
34
132 Help R2-D2!   3 580
27
24
12210 High and Low   55
8002 Horrible Queries   247 6461
19
19
18247 Arrangement Validity   5 111
14
17
18248 Maggu’s Solar Panels   36
26721 I LOVE Kd-TREES III   3 48
34
34
3693 Maximum Sum   28 4141
21
19
8985 Line up   12 240
20
21
20063 Large subsequence Problem   9 326
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