ID NAME QUALITY USERS ACC % DIFFICULTY C I
30734 Ada and Orange Tree   7 75
20
22
30735 Ada and Island   5 70
21
14
21326 Akbar , The great   19 541
20
17
30500 THE HONEYCOMB MAZE   11 239
16
16
10283 ALL IZZ WELL   48 2584
18
14
372 The Benefactor   29 2208
13
12
3377 A Bug’s Life   154 6771
14
13
10380 prayatna PR   49 3087
6
7
34373 Clickbait   5 11
34
17
27182 Easy modified sudoku   4 147
17
12
9126 Time to live   24 1219
11
15
12183 Help the Commander in Chief   22 428
14
15
38 Labyrinth   52 3723
19
16
30827 THE LAST SHOT   6 394
9
7
1436 Is it a tree   208 10867
10
10
1437 Longest path in a tree   230 9383
14
15
20775 Roger and tree   17 211
16
22
13745 Crack the Safe   14 496
14
13
17732 Salary Management   7 166
21
27
34648 Seven   2 19
17
34
16277 Little Red-Cap   -1 183
26
26
18532 Tree _order   25 781
17
10
1696 Will Indiana Jones Get There   112
50
50

#dfs

depth-first search

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