list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1475 Play with Digit Seven   3 136 38.22
28
12
10366 Play with Dates   9 1434 38.73
16
6
14629 Play with Binary Numbers   4 509 39.37
8
9
1477 Play with a Tree   95 15.49
17
50
41 Play on Words   43 3314 19.59
21
24
327 Platon and Socrates   51 12.63
9
34
16179 Platinum Relic!   1 68 22.62
6
6
36123 Plant the potatoes   2 18 15.15
17
26
11460 Planning Poker   258 41.88
698 Plane Hopping   1 289 25.31
17
4156 PLAHTE   69 35.77
7297 Placing Coins on a Grid   2 61 32.53
17
17
8333 Place-name game   75 36.34
12151 Pizzamania   28 2187 28.66
5
4
28742 Pizza Store and Gasoline   4 69 44.49
26
23
34619 Pizza Prize   7 131 46.88
14
12
4180 Pizza Location   2 577 18.60
31
17
4034 Pizza Delivery   53 16.51
7169 Pizza   45 6438 29.98
10
8
36674 PIZZA   4 495 18.13
1
13
2161 Pixel Shuffle   34 21.03
50
17
26214 Pisano Factors   3 27 30.06
26
26
6949 PIN   145 28.30
17
34
4259 Pilots   34 1755 31.69
17
20
39 Piggy-Bank   140 8249 35.53
14
16
21332 Pigeonhole Tower   7 1755 35.68
4
6
41128 Pierwiastkowanie   4 40 39.50
5
13
9890 Piece it together   97 24.14
1837 Pie   60 4131 30.45
18
15
6691 Picking Up Chicks   29 2262 32.15
11
18
2138 Pibonacci   3 48 14.11
26
39
134 Phony Primes   1 183 19.22
23
23
4033 Phone List   151 7335 31.82
16
14
2485 Phone Lines   19 14.19
3923 Philosophers Stone   310 12869 43.54
10
11
365 Phidias   25 1226 47.23
13
21
13816 Pheversos Game   1 8 36.03
17
34
38389 Phasmophobia   5 30 31.58
39
39
24957 Petya Brother and Repairment of Roads   9 177 28.28
24
24
18284 Petya and the Road Repairs   60 892 24.02
19
22
15310 Peter Quest   1 178 49.05
17
17
37476 Personal LCM   4 45 13.46
21
30
64 Permutations   98 4413 52.19
12
20
15851 Permutations   1 18 32.93
17
17
5831 Permutation Jumping   137 59.48
479 Permutation generator   1 135 28.24
21
17
14819 Permutation Generator   37 30.29
8427 Permutation Game   34 40.38
3166 Permutation Exponentiation   36 14.93
3373 Permutation Code   43 56.10

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