list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
913 Query on a tree II   85 3163 24.76
24
22
944 Free Tour   16 3.53
962 Intergalactic Map   4 520 25.10
22
29
964 Entrapment   6 328 24.24
17
24
967 Parking Bay   1 447 47.33
17
34
972 Birthday   115 19.34
987 Mobile   67 15.18
996 Continuous Fractions   1 267 37.37
17
17
999 Generalized Matrioshkas   406 32.53
1000 Equidivisions   -2 587 23.16
13
13
1001 Babylonian Roulette   2 579 49.34
17
17
1002 Uncle Jack   10 2812 40.04
10
9
1003 Little Quilt   1 165 44.53
26
9
1004 Polygon Encoder   53 8.97
1021 Aibohphobia   241 8509 35.76
11
16
1022 Angels and Devils   5 597 30.95
27
27
1024 Complete Chess Boards   3 508 54.61
21
24
1025 Fashion Shows   23 20752 47.73
3
3
1026 Favorite Dice   34 3927 74.27
4
21
1027 Fool the Police   21 1525 26.89
18
23
1028 Hubulullu   54 7119 59.31
2
14
1029 Matrix Summation   39 2760 20.33
14
17
1030 Triple Fat Ladies   87 14681 51.38
4
12
1031 Up Subsequence   2 708 32.23
17
12
1043 Can you answer these queries I   470 9062 20.05
24
24
1108 Card Trick   48 1717 49.56
22
24
1110 Sudoku   3 157 41.17
34
1112 Number Steps   63 25430 44.21
3
4
1161 Tic-Tac-Toe ( I )   13 2226 23.93
7
8
1162 Tic-Tac-Toe ( II )   5 1618 31.53
17
9
1163 Java vs C ++   15 5184 22.67
13
4
1166 Dead Fraction   1 301 22.95
17
34
1167 Move To Invert   12 2376 32.71
9
17
1182 Sorted bit squence   280 47.03
1183 Accomodate the palace   3 436 49.77
17
34
1267 Origin of Life   33 20.87
1268 CN Tower (Easy)   3 1079 30.42
8
6
1269 CN Tower (Hard)   22 12.87
1270 Paint By Numbers   18 21.21
1285 Continuous Fractions Again   3 343 41.47
17
13
1296 4 values whose sum is 0   57 4395 26.41
18
13
1325 Partial Sums   2 220 24.76
17
1326 A Chase In WonderLand   1 359 13.29
17
1
1329 Matrix   4 394 17.84
30
27
1335 Maze   45 20.30
1391 Summing to a Square Prime   17 1343 54.62
12
17
1418 The Cats and the Mouse   45 2547 34.25
11
12
1419 A Game with Numbers   87 9104 62.19
2
10
1420 Geometry and a Square   1 262 34.17
17
34
1421 Goods   137 30.77

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