ID NAME QUALITY USERS ACC % DIFFICULTY C I
30734 Ada and Orange Tree   25 249
22
20
30735 Ada and Island   14 273
12
11
21326 Akbar , The great   54 1721
21
17
30500 THE HONEYCOMB MAZE   15 528
17
16
10283 ALL IZZ WELL   70 3203
17
14
372 The Benefactor   48 2868
12
13
3377 A Bug’s Life   326 12943
12
13
10380 prayatna PR   85 4952
6
6
34373 Clickbait   7 19
34
20
27182 Easy modified sudoku   4 251
17
12
9126 Time to live   48 1912
12
15
12183 Help the Commander in Chief   46 872
15
16
38 Labyrinth   95 4822
18
16
30827 THE LAST SHOT   8 601
9
7
1436 Is it a tree   326 17416
10
10
1437 Longest path in a tree   389 15922
13
14
20775 Roger and tree   22 314
17
22
13745 Crack the Safe   18 588
13
13
17732 Salary Management   9 218
22
24
34648 Seven   4 35
9
23
16277 Little Red-Cap   4 210
24
24
18532 Tree _order   39 1103
15
10
1696 Will Indiana Jones Get There   2 114
28
23

#dfs

depth-first search

https://en.wikipedia.org/wiki/Depth-first_search https://www.ics.uci.edu/~eppstein/161/960215.html