list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
913 Query on a tree II   109 3639 20.22
24
21
944 Free Tour   16 3.39
962 Intergalactic Map   3 534 23.23
19
28
964 Entrapment   6 330 23.76
17
24
967 Parking Bay   2 487 47.82
9
26
972 Birthday   115 19.27
987 Mobile   67 15.10
996 Continuous Fractions   1 268 37.35
17
17
999 Generalized Matrioshkas   407 32.44
1000 Equidivisions   -2 590 23.14
13
13
1001 Babylonian Roulette   2 600 49.75
17
17
1002 Uncle Jack   12 2894 39.72
9
8
1003 Little Quilt   3 165 40.08
26
13
1004 Polygon Encoder   53 8.93
1021 Aibohphobia   296 9799 35.65
12
16
1022 Angels and Devils   5 600 30.08
27
27
1024 Complete Chess Boards   2 518 54.62
21
24
1025 Fashion Shows   30 24000 47.12
2
3
1026 Favorite Dice   40 4474 61.99
4
21
1027 Fool the Police   25 1601 26.75
18
23
1028 Hubulullu   59 7556 59.48
2
15
1029 Matrix Summation   52 3096 19.66
14
17
1030 Triple Fat Ladies   102 16503 51.65
3
11
1031 Up Subsequence   2 713 32.25
17
12
1043 Can you answer these queries I   545 10899 17.06
25
24
1108 Card Trick   63 1980 49.71
21
24
1110 Sudoku   3 209 32.31
34
1112 Number Steps   82 29103 43.39
3
4
1161 Tic-Tac-Toe ( I )   18 2730 22.99
10
9
1162 Tic-Tac-Toe ( II )   5 1971 30.35
15
8
1163 Java vs C ++   14 5372 22.63
13
4
1166 Dead Fraction   1 307 23.08
17
34
1167 Move To Invert   13 2403 31.86
8
16
1182 Sorted bit squence   273 41.25
1183 Accomodate the palace   4 480 51.00
17
34
1267 Origin of Life   33 20.98
1268 CN Tower (Easy)   3 1084 30.38
8
6
1269 CN Tower (Hard)   22 12.87
1270 Paint By Numbers   18 18.92
1285 Continuous Fractions Again   3 358 41.61
17
13
1296 4 values whose sum is 0   63 4808 24.84
18
14
1325 Partial Sums   2 220 24.68
17
1326 A Chase In WonderLand   1 385 13.23
17
1
1329 Matrix   5 400 17.28
28
26
1335 Maze   54 20.87
1391 Summing to a Square Prime   17 1381 53.79
12
17
1418 The Cats and the Mouse   51 2763 33.54
10
12
1419 A Game with Numbers   113 10213 61.46
2
10
1420 Geometry and a Square   1 263 34.05
17
34
1421 Goods   138 30.78

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