list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
912 Submatrix of submatrix   1 170 26.72
34
17
913 Query on a tree II   118 4740 20.92
23
21
944 Free Tour   18 3.66
34
17
962 Intergalactic Map   2 567 23.38
19
28
964 Entrapment   6 339 23.97
17
24
967 Parking Bay   3 564 48.89
12
23
972 Birthday   123 18.33
17
17
987 Mobile   75 16.00
17
17
996 Continuous Fractions   1 279 37.54
9
9
999 Generalized Matrioshkas   418 32.57
1000 Equidivisions   -1 653 23.37
13
13
1001 Babylonian Roulette   1 666 50.40
13
13
1002 Uncle Jack   13 2969 39.64
9
8
1003 Little Quilt   3 171 39.96
21
11
1004 Polygon Encoder   63 11.03
17
1
1021 Aibohphobia   310 10715 36.22
12
17
1022 Angels and Devils   6 672 31.12
26
25
1024 Complete Chess Boards   2 534 54.89
17
20
1025 Fashion Shows   30 27850 46.42
3
3
1026 Favorite Dice   42 5473 63.80
4
21
1027 Fool the Police   25 1653 27.10
18
23
1028 Hubulullu   61 8255 58.71
2
15
1029 Matrix Summation   53 3536 20.13
15
18
1030 Triple Fat Ladies   106 19205 51.75
4
12
1031 Up Subsequence   2 731 32.65
15
10
1043 Can you answer these queries I   569 14237 18.99
25
24
1108 Card Trick   68 2238 50.38
21
24
1110 Sudoku   4 533 40.12
34
1
1112 Number Steps   84 34133 43.04
4
4
1161 Tic-Tac-Toe ( I )   20 3370 22.84
12
11
1162 Tic-Tac-Toe ( II )   8 2402 30.37
17
10
1163 Java vs C ++   17 5522 22.88
14
5
1166 Dead Fraction   321 23.29
12
17
1167 Move To Invert   13 2459 31.80
8
16
1182 Sorted bit squence   296 42.30
17
1
1183 Accomodate the palace   4 554 52.71
17
34
1267 Origin of Life   39 24.52
34
1
1268 CN Tower (Easy)   3 1122 30.74
8
6
1269 CN Tower (Hard)   26 11.35
34
34
1270 Paint By Numbers   27 22.83
1285 Continuous Fractions Again   5 375 41.79
15
10
1296 4 values whose sum is 0   64 5114 24.89
18
14
1325 Partial Sums   2 224 24.73
9
1
1326 A Chase In WonderLand   2 410 13.54
6
1
1329 Matrix   6 412 17.17
28
26
1335 Maze   66 17.80
17
17
1391 Summing to a Square Prime   16 1425 54.01
12
17
1418 The Cats and the Mouse   55 2994 33.73
10
12
1419 A Game with Numbers   118 12073 61.49
3
10
1420 Geometry and a Square   1 275 34.05
9
17

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