list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
912 Submatrix of submatrix   1 174 27.01
34
17
913 Query on a tree II   118 4782 20.96
23
21
944 Free Tour   19 3.72
34
17
962 Intergalactic Map   2 568 23.40
19
28
964 Entrapment   6 340 23.99
17
24
967 Parking Bay   3 565 48.93
12
23
972 Birthday   126 18.75
17
17
987 Mobile   76 16.14
17
17
996 Continuous Fractions   1 279 37.54
9
9
999 Generalized Matrioshkas   420 32.59
1000 Equidivisions   -1 654 23.39
13
13
1001 Babylonian Roulette   1 666 50.46
13
13
1002 Uncle Jack   13 2970 39.60
9
8
1003 Little Quilt   3 171 39.89
21
11
1004 Polygon Encoder   64 11.12
17
1
1021 Aibohphobia   310 10728 36.22
12
17
1022 Angels and Devils   6 675 31.13
26
25
1024 Complete Chess Boards   2 536 54.96
17
20
1025 Fashion Shows   30 27874 46.43
3
3
1026 Favorite Dice   42 5487 63.85
4
21
1027 Fool the Police   25 1655 27.09
18
23
1028 Hubulullu   61 8257 58.72
2
15
1029 Matrix Summation   53 3558 20.15
15
18
1030 Triple Fat Ladies   106 19216 51.74
4
12
1031 Up Subsequence   2 734 32.66
15
10
1043 Can you answer these queries I   569 14311 19.04
25
24
1108 Card Trick   68 2244 50.38
21
24
1110 Sudoku   4 541 40.15
34
1
1112 Number Steps   84 34152 43.04
4
4
1161 Tic-Tac-Toe ( I )   20 3382 22.85
12
11
1162 Tic-Tac-Toe ( II )   8 2410 30.37
17
10
1163 Java vs C ++   17 5524 22.88
14
5
1166 Dead Fraction   323 23.36
12
17
1167 Move To Invert   13 2461 31.80
8
16
1182 Sorted bit squence   296 42.31
17
1
1183 Accomodate the palace   4 555 52.75
17
34
1267 Origin of Life   41 25.10
34
1
1268 CN Tower (Easy)   3 1123 30.75
8
6
1269 CN Tower (Hard)   27 11.58
34
34
1270 Paint By Numbers   28 23.24
1285 Continuous Fractions Again   5 376 41.86
15
10
1296 4 values whose sum is 0   64 5120 24.92
18
14
1325 Partial Sums   2 225 24.79
9
1
1326 A Chase In WonderLand   2 412 13.56
6
1
1329 Matrix   6 414 17.21
28
26
1335 Maze   67 17.90
17
17
1391 Summing to a Square Prime   16 1428 53.97
12
17
1418 The Cats and the Mouse   55 3001 33.76
10
12
1419 A Game with Numbers   118 12077 61.48
3
10
1420 Geometry and a Square   1 276 34.08
9
17

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