list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
912 Submatrix of submatrix   1 169 26.65
34
17
913 Query on a tree II   118 4699 20.88
23
21
944 Free Tour   16 3.03
962 Intergalactic Map   2 567 23.39
19
28
964 Entrapment   6 339 23.97
17
24
967 Parking Bay   3 564 48.89
12
23
972 Birthday   123 18.35
17
17
987 Mobile   72 15.60
17
17
996 Continuous Fractions   1 278 37.51
9
9
999 Generalized Matrioshkas   417 32.53
1000 Equidivisions   -1 652 23.37
13
13
1001 Babylonian Roulette   1 666 50.40
13
13
1002 Uncle Jack   13 2969 39.66
9
8
1003 Little Quilt   3 170 40.00
21
11
1004 Polygon Encoder   63 11.03
17
1
1021 Aibohphobia   310 10703 36.21
12
17
1022 Angels and Devils   6 671 31.10
26
25
1024 Complete Chess Boards   2 535 54.96
17
20
1025 Fashion Shows   30 27833 46.42
3
3
1026 Favorite Dice   42 5461 63.77
4
21
1027 Fool the Police   25 1650 27.05
18
23
1028 Hubulullu   61 8252 58.72
2
15
1029 Matrix Summation   53 3527 20.11
15
18
1030 Triple Fat Ladies   106 19190 51.77
4
12
1031 Up Subsequence   2 730 32.59
15
10
1043 Can you answer these queries I   568 14181 18.96
25
24
1108 Card Trick   68 2231 50.37
21
24
1110 Sudoku   4 528 40.04
34
1
1112 Number Steps   84 34112 43.04
4
4
1161 Tic-Tac-Toe ( I )   20 3366 22.84
12
11
1162 Tic-Tac-Toe ( II )   8 2399 30.38
17
10
1163 Java vs C ++   17 5520 22.87
14
5
1166 Dead Fraction   320 23.26
12
17
1167 Move To Invert   13 2459 31.82
8
16
1182 Sorted bit squence   295 42.09
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 1120 30.73
8
6
1269 CN Tower (Hard)   24 11.15
34
34
1270 Paint By Numbers   24 21.84
1285 Continuous Fractions Again   5 375 41.86
15
10
1296 4 values whose sum is 0   64 5111 24.90
18
14
1325 Partial Sums   2 225 24.92
9
1
1326 A Chase In WonderLand   2 409 13.53
6
1
1329 Matrix   6 412 17.21
28
26
1335 Maze   66 17.80
17
17
1391 Summing to a Square Prime   16 1422 54.00
12
17
1418 The Cats and the Mouse   55 2987 33.75
10
12
1419 A Game with Numbers   118 12070 61.52
3
10
1420 Geometry and a Square   1 274 34.00
9
17

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