list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
912 Submatrix of submatrix   1 167 26.28
34
17
913 Query on a tree II   117 4608 20.75
23
21
944 Free Tour   16 3.22
962 Intergalactic Map   2 565 23.40
19
28
964 Entrapment   6 338 23.94
17
24
967 Parking Bay   3 561 49.03
12
23
972 Birthday   120 19.44
17
17
987 Mobile   70 15.53
17
17
996 Continuous Fractions   1 277 37.45
9
9
999 Generalized Matrioshkas   414 32.46
1000 Equidivisions   -1 647 23.42
13
13
1001 Babylonian Roulette   1 661 50.23
13
13
1002 Uncle Jack   13 2964 39.65
9
8
1003 Little Quilt   3 169 39.89
21
11
1004 Polygon Encoder   58 10.64
17
1
1021 Aibohphobia   309 10667 36.20
12
17
1022 Angels and Devils   6 669 31.07
26
25
1024 Complete Chess Boards   2 531 54.83
17
20
1025 Fashion Shows   30 27752 46.37
3
3
1026 Favorite Dice   42 5410 63.71
4
21
1027 Fool the Police   25 1641 27.00
18
23
1028 Hubulullu   61 8242 58.72
2
15
1029 Matrix Summation   53 3499 20.06
15
18
1030 Triple Fat Ladies   106 19150 51.77
4
12
1031 Up Subsequence   2 728 32.60
15
10
1043 Can you answer these queries I   567 14003 18.89
25
24
1108 Card Trick   68 2214 50.42
21
24
1110 Sudoku   4 498 39.40
34
1
1112 Number Steps   84 34041 43.05
4
4
1161 Tic-Tac-Toe ( I )   20 3333 22.91
12
10
1162 Tic-Tac-Toe ( II )   8 2373 30.31
17
10
1163 Java vs C ++   17 5518 22.87
14
5
1166 Dead Fraction   318 23.21
12
17
1167 Move To Invert   13 2451 31.79
8
16
1182 Sorted bit squence   292 42.04
17
1
1183 Accomodate the palace   4 552 52.68
17
34
1267 Origin of Life   35 22.18
34
1
1268 CN Tower (Easy)   3 1111 30.69
8
6
1269 CN Tower (Hard)   23 11.69
34
34
1270 Paint By Numbers   21 20.96
1285 Continuous Fractions Again   5 372 41.70
15
10
1296 4 values whose sum is 0   64 5096 24.91
18
14
1325 Partial Sums   2 223 24.73
9
1
1326 A Chase In WonderLand   2 406 13.48
6
1
1329 Matrix   6 410 17.18
28
26
1335 Maze   64 17.74
17
17
1391 Summing to a Square Prime   16 1420 54.08
12
17
1418 The Cats and the Mouse   55 2972 33.69
10
12
1419 A Game with Numbers   118 12054 61.55
3
10
1420 Geometry and a Square   1 271 33.98
9
17

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