list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
913 Query on a tree II   114 4347 20.67
24
21
944 Free Tour   16 3.34
962 Intergalactic Map   2 560 23.36
19
28
964 Entrapment   6 336 23.92
17
24
967 Parking Bay   3 551 49.17
12
23
972 Birthday   119 19.36
987 Mobile   70 15.53
996 Continuous Fractions   1 274 37.37
17
17
999 Generalized Matrioshkas   412 32.54
1000 Equidivisions   -1 642 23.39
13
13
1001 Babylonian Roulette   2 652 50.00
17
17
1002 Uncle Jack   13 2957 39.65
9
8
1003 Little Quilt   3 167 39.74
26
13
1004 Polygon Encoder   54 9.27
1021 Aibohphobia   306 10567 36.16
12
17
1022 Angels and Devils   6 664 31.11
28
26
1024 Complete Chess Boards   2 524 54.52
17
20
1025 Fashion Shows   30 27475 46.38
3
3
1026 Favorite Dice   42 5202 63.39
4
21
1027 Fool the Police   25 1636 26.97
18
23
1028 Hubulullu   60 8194 58.77
2
15
1029 Matrix Summation   52 3408 19.99
15
18
1030 Triple Fat Ladies   106 18992 51.77
4
12
1031 Up Subsequence   2 725 32.54
17
12
1043 Can you answer these queries I   563 13234 18.43
25
24
1108 Card Trick   68 2169 50.37
21
24
1110 Sudoku   4 424 38.05
34
1
1112 Number Steps   84 33648 43.25
4
4
1161 Tic-Tac-Toe ( I )   20 3206 22.87
12
10
1162 Tic-Tac-Toe ( II )   6 2293 30.43
17
9
1163 Java vs C ++   17 5501 22.84
14
5
1166 Dead Fraction   315 23.21
17
26
1167 Move To Invert   13 2443 31.75
8
16
1182 Sorted bit squence   287 41.76
1183 Accomodate the palace   4 542 52.35
17
34
1267 Origin of Life   33 19.82
1268 CN Tower (Easy)   3 1104 30.60
8
6
1269 CN Tower (Hard)   22 11.50
1270 Paint By Numbers   19 19.62
1285 Continuous Fractions Again   5 368 41.98
17
12
1296 4 values whose sum is 0   63 5046 24.87
18
14
1325 Partial Sums   2 222 24.78
17
1326 A Chase In WonderLand   2 402 13.44
9
1
1329 Matrix   6 409 17.21
28
26
1335 Maze   62 17.43
1391 Summing to a Square Prime   16 1415 54.06
12
17
1418 The Cats and the Mouse   54 2954 33.76
10
12
1419 A Game with Numbers   118 11944 61.64
3
10
1420 Geometry and a Square   1 268 33.99
17
34
1421 Goods   140 30.65

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