list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
913 Query on a tree II   70 2835 24.40
24
22
944 Free Tour   16 3.54
962 Intergalactic Map   3 501 24.91
22
29
964 Entrapment   5 320 24.18
17
26
967 Parking Bay   1 444 47.10
17
34
972 Birthday   115 19.41
987 Mobile   67 15.21
996 Continuous Fractions   1 259 36.92
17
17
999 Generalized Matrioshkas   399 32.34
1000 Equidivisions   -1 582 23.34
13
13
1001 Babylonian Roulette   2 578 49.41
17
17
1002 Uncle Jack   9 2753 39.85
9
8
1003 Little Quilt   154 43.93
17
17
1004 Polygon Encoder   52 8.40
1021 Aibohphobia   195 7663 35.37
11
16
1022 Angels and Devils   5 575 31.05
27
27
1024 Complete Chess Boards   2 506 54.67
21
24
1025 Fashion Shows   24 19140 47.55
3
4
1026 Favorite Dice   29 3705 74.10
4
21
1027 Fool the Police   17 1471 26.72
17
23
1028 Hubulullu   47 6881 59.20
2
15
1029 Matrix Summation   33 2561 20.33
13
17
1030 Triple Fat Ladies   76 13867 51.19
4
13
1031 Up Subsequence   2 699 32.51
17
12
1043 Can you answer these queries I   376 7943 19.42
24
24
1108 Card Trick   32 1601 49.28
20
21
1110 Sudoku   2 152 39.18
1112 Number Steps   54 23527 44.51
3
4
1161 Tic-Tac-Toe ( I )   10 2031 23.99
8
9
1162 Tic-Tac-Toe ( II )   4 1477 31.22
14
8
1163 Java vs C ++   16 5069 22.63
13
4
1166 Dead Fraction   1 297 22.92
17
34
1167 Move To Invert   10 2348 32.64
9
17
1182 Sorted bit squence   280 47.02
1183 Accomodate the palace   3 431 49.77
17
34
1267 Origin of Life   33 20.87
1268 CN Tower (Easy)   3 1073 30.35
8
6
1269 CN Tower (Hard)   22 12.87
1270 Paint By Numbers   18 21.21
1285 Continuous Fractions Again   3 333 41.19
17
17
1296 4 values whose sum is 0   47 4116 26.33
17
13
1325 Partial Sums   1 219 24.64
1326 A Chase In WonderLand   1 338 13.29
17
1
1329 Matrix   3 381 17.75
26
21
1335 Maze   41 22.68
1391 Summing to a Square Prime   16 1328 54.54
13
17
1418 The Cats and the Mouse   42 2424 34.15
12
12
1419 A Game with Numbers   72 8643 61.98
2
10
1420 Geometry and a Square   1 261 34.23
17
34
1421 Goods   137 30.77

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