list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
913 Query on a tree II   94 3217 24.77
24
21
944 Free Tour   16 3.53
962 Intergalactic Map   4 523 25.09
22
29
964 Entrapment   6 329 24.28
17
24
967 Parking Bay   1 448 47.38
17
34
972 Birthday   115 19.32
987 Mobile   67 15.18
996 Continuous Fractions   1 267 37.37
17
17
999 Generalized Matrioshkas   406 32.53
1000 Equidivisions   -2 588 23.16
13
13
1001 Babylonian Roulette   2 579 49.34
17
17
1002 Uncle Jack   10 2817 39.98
10
9
1003 Little Quilt   1 165 44.53
26
9
1004 Polygon Encoder   53 8.97
1021 Aibohphobia   251 8620 35.74
11
16
1022 Angels and Devils   5 599 30.92
27
27
1024 Complete Chess Boards   3 509 54.55
21
24
1025 Fashion Shows   25 20941 47.79
3
3
1026 Favorite Dice   34 3958 74.29
4
21
1027 Fool the Police   21 1534 26.93
18
23
1028 Hubulullu   54 7146 59.34
2
14
1029 Matrix Summation   40 2786 20.42
14
17
1030 Triple Fat Ladies   91 14766 51.39
4
12
1031 Up Subsequence   2 709 32.24
17
12
1043 Can you answer these queries I   485 9244 20.10
25
24
1108 Card Trick   51 1742 49.78
22
24
1110 Sudoku   3 158 40.48
34
1112 Number Steps   67 25760 44.16
3
4
1161 Tic-Tac-Toe ( I )   13 2248 23.85
7
8
1162 Tic-Tac-Toe ( II )   5 1635 31.60
17
9
1163 Java vs C ++   16 5204 22.71
13
4
1166 Dead Fraction   1 301 22.95
17
34
1167 Move To Invert   12 2379 32.73
9
17
1182 Sorted bit squence   280 47.07
1183 Accomodate the palace   4 439 49.86
17
34
1267 Origin of Life   33 20.87
1268 CN Tower (Easy)   3 1080 30.44
8
6
1269 CN Tower (Hard)   22 12.87
1270 Paint By Numbers   18 21.21
1285 Continuous Fractions Again   3 344 41.53
17
13
1296 4 values whose sum is 0   58 4423 26.41
18
13
1325 Partial Sums   2 220 24.76
17
1326 A Chase In WonderLand   1 360 13.30
17
1
1329 Matrix   4 395 17.86
30
27
1335 Maze   45 20.30
1391 Summing to a Square Prime   17 1349 54.53
12
17
1418 The Cats and the Mouse   46 2576 34.34
11
12
1419 A Game with Numbers   92 9150 62.15
2
10
1420 Geometry and a Square   1 262 34.17
17
34
1421 Goods   137 30.77

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