ID NAME QUALITY USERS ACC % DIFFICULTY C I
30734 Ada and Orange Tree   21 199
21
20
30735 Ada and Island   12 196
14
11
21326 Akbar , The great   43 1208
22
17
30500 THE HONEYCOMB MAZE   15 432
17
17
10283 ALL IZZ WELL   64 3033
18
13
372 The Benefactor   42 2656
12
13
3377 A Bug’s Life   280 10046
13
13
10380 prayatna PR   78 4383
6
6
34373 Clickbait   7 22
34
20
27182 Easy modified sudoku   4 218
17
12
9126 Time to live   44 1742
12
14
12183 Help the Commander in Chief   41 778
14
16
38 Labyrinth   81 4441
18
16
30827 THE LAST SHOT   7 538
8
7
1436 Is it a tree   298 14262
10
10
1437 Longest path in a tree   347 12763
13
14
20775 Roger and tree   21 284
16
21
13745 Crack the Safe   16 563
14
13
17732 Salary Management   8 213
23
26
34648 Seven   3 29
12
26
16277 Little Red-Cap   4 208
24
24
18532 Tree _order   39 1052
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