ID NAME QUALITY USERS ACC % DIFFICULTY C I
30734 Ada and Orange Tree   7 66
20
22
30735 Ada and Island   5 65
21
14
21326 Akbar , The great   18 493
21
17
30500 THE HONEYCOMB MAZE   9 219
17
16
10283 ALL IZZ WELL   48 2519
18
14
372 The Benefactor   28 2172
13
12
3377 A Bug’s Life   150 6529
14
13
10380 prayatna PR   47 2982
6
7
34373 Clickbait   5 9
34
17
27182 Easy modified sudoku   4 145
17
12
9126 Time to live   24 1191
11
15
12183 Help the Commander in Chief   22 408
14
16
38 Labyrinth   50 3665
19
16
30827 THE LAST SHOT   6 364
9
7
1436 Is it a tree   202 10671
10
10
1437 Longest path in a tree   228 9203
14
15
20775 Roger and tree   17 201
16
22
13745 Crack the Safe   14 485
14
13
17732 Salary Management   7 162
21
27
34648 Seven   2 17
17
34
16277 Little Red-Cap   -1 179
26
26
18532 Tree _order   25 761
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