ID NAME QUALITY USERS ACC % DIFFICULTY C I
30734 Ada and Orange Tree   7 83
19
21
30735 Ada and Island   5 78
21
14
21326 Akbar , The great   23 584
20
16
30500 THE HONEYCOMB MAZE   11 253
16
16
10283 ALL IZZ WELL   48 2610
18
14
372 The Benefactor   30 2222
13
12
3377 A Bug’s Life   159 6914
14
13
10380 prayatna PR   51 3150
6
7
34373 Clickbait   5 11
34
17
27182 Easy modified sudoku   4 166
17
12
9126 Time to live   26 1248
11
14
12183 Help the Commander in Chief   23 439
13
15
38 Labyrinth   54 3822
19
16
30827 THE LAST SHOT   6 412
9
7
1436 Is it a tree   220 11104
10
10
1437 Longest path in a tree   236 9610
14
15
20775 Roger and tree   17 215
16
22
13745 Crack the Safe   14 498
14
13
17732 Salary Management   7 174
21
27
34648 Seven   2 21
17
34
16277 Little Red-Cap   -1 186
26
26
18532 Tree _order   26 835
16
10
1696 Will Indiana Jones Get There   1 113
34
34

#dfs

depth-first search

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