list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
913 Query on a tree II   109 3685 20.19
24
21
944 Free Tour   16 3.39
962 Intergalactic Map   3 534 23.23
19
28
964 Entrapment   6 330 23.76
17
24
967 Parking Bay   3 491 47.71
12
23
972 Birthday   115 19.27
987 Mobile   67 15.10
996 Continuous Fractions   1 269 37.35
17
17
999 Generalized Matrioshkas   407 32.38
1000 Equidivisions   -2 590 23.13
13
13
1001 Babylonian Roulette   2 600 49.75
17
17
1002 Uncle Jack   12 2909 39.75
9
8
1003 Little Quilt   3 165 40.08
26
13
1004 Polygon Encoder   53 8.93
1021 Aibohphobia   296 9911 35.70
12
16
1022 Angels and Devils   5 607 30.11
27
27
1024 Complete Chess Boards   2 518 54.62
21
24
1025 Fashion Shows   30 24516 47.01
2
3
1026 Favorite Dice   41 4546 62.04
4
21
1027 Fool the Police   25 1606 26.78
18
23
1028 Hubulullu   60 7602 59.40
2
15
1029 Matrix Summation   52 3130 19.68
14
17
1030 Triple Fat Ladies   102 16952 51.65
3
11
1031 Up Subsequence   2 716 32.33
17
12
1043 Can you answer these queries I   547 11082 17.17
25
24
1108 Card Trick   63 1994 49.76
21
24
1110 Sudoku   3 220 32.69
34
1112 Number Steps   83 29778 43.36
3
4
1161 Tic-Tac-Toe ( I )   18 2783 23.00
10
9
1162 Tic-Tac-Toe ( II )   5 2000 30.37
15
8
1163 Java vs C ++   15 5390 22.66
14
5
1166 Dead Fraction   1 308 23.06
17
34
1167 Move To Invert   13 2403 31.83
8
16
1182 Sorted bit squence   273 41.21
1183 Accomodate the palace   4 483 51.08
17
34
1267 Origin of Life   33 20.98
1268 CN Tower (Easy)   3 1087 30.43
8
6
1269 CN Tower (Hard)   22 12.87
1270 Paint By Numbers   18 18.92
1285 Continuous Fractions Again   4 361 41.75
17
14
1296 4 values whose sum is 0   62 4825 24.84
18
14
1325 Partial Sums   2 220 24.68
17
1326 A Chase In WonderLand   2 388 13.26
9
1
1329 Matrix   6 403 17.25
27
24
1335 Maze   55 17.74
1391 Summing to a Square Prime   17 1384 53.84
12
17
1418 The Cats and the Mouse   51 2782 33.62
10
12
1419 A Game with Numbers   116 10365 61.52
2
10
1420 Geometry and a Square   1 263 34.05
17
34
1421 Goods   138 30.78

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