ID NAME QUALITY USERS ACC % DIFFICULTY C I
30669 Ada and Trip   34 856
14
11
21326 Akbar , The great   63 2390
21
18
30500 THE HONEYCOMB MAZE   16 633
17
15
5151 Alice‚Äôs Cube   8 501
24
21
1774 All Discs Considered   10 513
26
22
1418 The Cats and the Mouse   54 2960
10
12
2053 Key Task   37 1172
24
22
3387 Changing Maze   13 615
19
9
1702 Cleaning Robot   45 1530
28
20
6956 IOI2009 Mecho   3 159
28
23
9655 Elevator Trouble   95 4156
11
11
29197 Lazy tourist guide   0
4177 Herding   56 2698
14
15
402 Hike on a Graph   8 761
15
19
50 Invitation Cards   29 1716
16
18
279 Interesting number   26 813
19
24
27180 Island Under Attack!   3 13
17
9
6187 Jane and Tarzan   6 212
17
26
12880 Sheep   38 1766
10
10
11516 VALIDATE THE MAZE   63 3044
11
8
135 Men at work   1 258
24
26
1845 Mice and Maze   99 5375
10
10
3861 Laser Phones   30 1355
20
18
3953 Paid Roads   8 249
19
26
200 Monodigital Representations   1 162
26
26
12323 Minimum Knight moves !!!   128 7689
15
11
12245 Natalia Plays a Game   11 860
12
13
370 Ones and zeros   149 4443
19
22
203 Potholers   22 2258
16
12
1841 Prime Path   336 10363
19
18
4235 Wandering Queen   25 835
23
19
40639 Escape the New America   3 26
17
17
12612 Path of the righteous man   28 475
20
22
8129 Sky Lift   2 138
24
19
19216 Super Mario Revisited   6 21
20
23
32065 Save Lord Tachanka   1 0
15436 Slick   52 2033
9
9
18467 A Brief Expedition   11 272
15
15
212 Water among Cubes   51 1482
25
27

#bfs

breadth-first search

https://en.wikipedia.org/wiki/Breadth-first_search https://www.khanacademy.org/computing/computer-science/algorithms/breadth-first-search/a/breadth-first-search-and-its-uses