list of classical problems (unsolved)


ID NAME QUALITY USERS ACC % DIFFICULTY C I
8426 Trie Expectation   1 170 62.16
9
26
8624 Nim-B Sum   -1 631 61.46
9
17
8666 Maximum - Profit -- Version II   1 101 45.00
9
9
9040 Tug of War   12 623 25.80
9
21
9070 Lightning Conductor   3 688 34.93
9
17
9104 Match the words   3 418 50.39
9
17
9161 Legendre symbol   190 45.42
9
9
9334 Point in tetrahedron   2 141 57.59
9
17
9587 The Prime conjecture   5 574 34.49
9
9
9640 Equilibrium   3 256 28.14
9
9
9685 Zombie’s Treasure Chest   2 84 13.66
9
17
9934 Alice and Bob   1 163 34.48
9
34
10399 Conga line   -1 369 36.43
9
9
10568 Graph Cut   4 112 37.86
9
9
10594 Decoding Number Stations with Dr Whooves   2 61 28.05
9
26
10611 Ranges   2 176 19.62
9
9
10730 Michel and the championship   6 119 11.54
9
9
10877 Decoys and Diversions   49 18.97
9
17
11273 Team Nim   2 84 20.80
9
26
11444 MAXOR   114 35.95
9
26
11495 Ignore the bounds   1 20 16.00
9
9
11574 A Famous Stone Collector   3 130 36.03
9
23
11986 ROMAN NUMERALS   1 145 33.76
9
9
12250 Buzz Trouble   -1 204 40.40
9
9
12319 hai jolly jolly jolly   3 1273 33.95
9
9
12400 Johnnys Empire   1 538 43.46
9
9
12660 Co-Prime   4 285 26.93
9
17
13047 Saruman of Many Colours   2 403 37.94
9
17
13090 New Strategy   3 145 33.53
9
9
13096 Amr Samir   5 921 31.21
9
10
13651 Check   3 136 42.99
9
1
13808 Colors   3 30 22.04
9
26
13838 Mosty! Find Gn   5 564 49.87
9
24
14334 Evil Overlord Cypher   1 67 27.18
9
17
14946 Travelling Santa   56 34.11
9
9
14972 Foxhole   2 235 32.67
9
9
14977 Attack of the Bloons   5 370 45.80
9
9
15208 Minimum Cost   16 1478 57.34
9
11
16184 Megatron and his rage   11 1141 32.56
9
9
17128 Putnik   2 101 48.67
9
17
17443 Magical Bus Journey   2 62 31.52
9
9
17627 Family members   5 432 60.12
9
15
17946 Mickey Mouse Magic Trick v6   2 42 31.18
9
26
19084 Huge Pascal triangle   1 34 47.92
9
34
19144 Digo plays with Numbers   9 726 40.73
9
11
19329 Group Viva   3 91 35.46
9
9
19490 Pair and unpair weightest string   2 84 47.33
9
17
20050 Love Story 2   1 89 38.29
9
9
20987 Sequence   2 31 24.85
9
17
21169 Balanced base-3   7 519 52.53
9
7

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