list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
913 Query on a tree II   112 3878 20.34
24
21
944 Free Tour   16 3.37
962 Intergalactic Map   2 543 23.35
19
28
964 Entrapment   6 332 23.77
17
24
967 Parking Bay   3 517 48.28
12
23
972 Birthday   117 19.49
987 Mobile   67 15.08
996 Continuous Fractions   1 272 37.42
17
17
999 Generalized Matrioshkas   408 32.36
1000 Equidivisions   -1 591 23.15
13
13
1001 Babylonian Roulette   2 631 50.00
17
17
1002 Uncle Jack   13 2936 39.68
9
8
1003 Little Quilt   3 165 39.85
26
13
1004 Polygon Encoder   53 8.93
1021 Aibohphobia   302 10213 35.90
12
17
1022 Angels and Devils   6 621 30.40
28
26
1024 Complete Chess Boards   2 519 54.69
21
24
1025 Fashion Shows   31 25929 46.71
2
3
1026 Favorite Dice   42 4882 62.81
4
21
1027 Fool the Police   25 1615 26.83
18
23
1028 Hubulullu   60 7910 59.20
2
15
1029 Matrix Summation   52 3281 19.85
15
18
1030 Triple Fat Ladies   104 18004 51.98
4
11
1031 Up Subsequence   2 722 32.49
17
12
1043 Can you answer these queries I   556 12013 17.75
25
24
1108 Card Trick   64 2066 49.88
22
24
1110 Sudoku   3 296 34.92
34
1112 Number Steps   83 31600 43.22
4
4
1161 Tic-Tac-Toe ( I )   19 2959 22.98
11
10
1162 Tic-Tac-Toe ( II )   6 2132 30.24
15
8
1163 Java vs C ++   17 5453 22.77
14
5
1166 Dead Fraction   311 23.27
17
26
1167 Move To Invert   13 2416 31.68
8
16
1182 Sorted bit squence   280 41.46
1183 Accomodate the palace   4 514 51.91
17
34
1267 Origin of Life   33 20.98
1268 CN Tower (Easy)   3 1091 30.47
8
6
1269 CN Tower (Hard)   22 12.87
1270 Paint By Numbers   19 20.13
1285 Continuous Fractions Again   5 365 41.93
17
12
1296 4 values whose sum is 0   63 4921 24.95
18
14
1325 Partial Sums   2 221 24.72
17
1326 A Chase In WonderLand   2 393 13.28
9
1
1329 Matrix   6 404 17.26
27
24
1335 Maze   60 17.46
1391 Summing to a Square Prime   17 1397 53.94
12
17
1418 The Cats and the Mouse   52 2849 33.68
10
12
1419 A Game with Numbers   118 11160 61.76
3
10
1420 Geometry and a Square   1 263 33.94
17
34
1421 Goods   138 30.72

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