ID NAME QUALITY USERS ACC % DIFFICULTY C I
30734 Ada and Orange Tree   18 183
21
21
30735 Ada and Island   11 178
14
12
21326 Akbar , The great   42 1141
21
17
30500 THE HONEYCOMB MAZE   13 410
16
16
10283 ALL IZZ WELL   62 2989
18
13
372 The Benefactor   42 2607
12
13
3377 A Bug’s Life   261 9377
12
13
10380 prayatna PR   72 4219
6
6
34373 Clickbait   7 21
34
20
27182 Easy modified sudoku   4 218
17
12
9126 Time to live   42 1683
12
14
12183 Help the Commander in Chief   41 726
14
15
38 Labyrinth   79 4382
18
16
30827 THE LAST SHOT   6 521
9
7
1436 Is it a tree   281 13611
10
10
1437 Longest path in a tree   326 12121
14
15
20775 Roger and tree   21 273
16
21
13745 Crack the Safe   16 559
14
13
17732 Salary Management   8 210
23
26
34648 Seven   2 27
17
34
16277 Little Red-Cap   4 206
24
24
18532 Tree _order   39 1037
15
10
1696 Will Indiana Jones Get There   2 118
28
23

#dfs

depth-first search

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