list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
50 Invitation Cards   29 1731 42.91
16
18
135 Men at work   1 258 37.99
24
26
200 Monodigital Representations   1 165 29.96
26
26
203 Potholers   22 2265 26.46
16
12
212 Water among Cubes   51 1520 25.97
25
27
279 Interesting number   26 820 24.08
19
24
370 Ones and zeros   149 4461 30.04
19
22
402 Hike on a Graph   8 767 40.25
15
19
1418 The Cats and the Mouse   55 2966 33.68
10
12
1702 Cleaning Robot   45 1558 34.20
28
20
1774 All Discs Considered   10 513 28.32
26
22
1841 Prime Path   336 10432 57.97
19
18
1845 Mice and Maze   99 5434 36.05
10
10
2053 Key Task   37 1179 31.70
24
22
3387 Changing Maze   13 619 29.57
19
9
3861 Laser Phones   31 1361 28.64
20
18
3953 Paid Roads   8 250 26.75
19
26
4177 Herding   57 2709 35.23
14
15
4235 Wandering Queen   25 842 15.07
23
19
5151 Alice’s Cube   8 503 29.01
24
21
6187 Jane and Tarzan   6 213 24.46
17
26
6956 IOI2009 Mecho   3 162 18.09
28
23
8129 Sky Lift   2 138 25.49
24
19
9655 Elevator Trouble   96 4194 32.27
11
11
11516 VALIDATE THE MAZE   64 3086 32.07
11
8
12245 Natalia Plays a Game   11 883 43.83
12
13
12323 Minimum Knight moves !!!   131 8009 42.22
15
11
12612 Path of the righteous man   28 481 36.22
20
22
12880 Sheep   39 1828 45.65
9
10
15436 Slick   52 2106 32.95
9
9
18467 A Brief Expedition   11 272 54.44
15
15
19216 Super Mario Revisited   6 21 7.23
20
23
21326 Akbar , The great   63 2476 15.82
21
18
30500 THE HONEYCOMB MAZE   16 637 27.33
17
15
30669 Ada and Trip   34 889 30.51
14
11
32065 Save Lord Tachanka   1 0 0.00
40639 Escape the New America   3 27 30.87
17
17

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