list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
913 Query on a tree II   59 2593 24.22
24
21
944 Free Tour   16 3.56
962 Intergalactic Map   3 485 25.03
23
30
964 Entrapment   5 317 24.14
17
26
967 Parking Bay   1 442 47.22
17
34
972 Birthday   115 19.41
987 Mobile   67 15.24
996 Continuous Fractions   1 258 36.83
17
17
999 Generalized Matrioshkas   398 32.38
1000 Equidivisions   -1 579 23.36
13
13
1001 Babylonian Roulette   2 577 49.48
17
17
1002 Uncle Jack   9 2707 39.72
9
8
1003 Little Quilt   154 43.93
17
17
1004 Polygon Encoder   52 8.40
1021 Aibohphobia   168 7053 35.14
11
16
1022 Angels and Devils   5 546 30.74
27
27
1024 Complete Chess Boards   1 499 54.79
21
21
1025 Fashion Shows   19 17940 47.30
3
4
1026 Favorite Dice   29 3543 73.70
4
21
1027 Fool the Police   14 1425 26.79
16
22
1028 Hubulullu   44 6668 59.06
2
15
1029 Matrix Summation   27 2445 20.26
12
15
1030 Triple Fat Ladies   65 13159 51.06
4
12
1031 Up Subsequence   2 689 32.35
17
12
1043 Can you answer these queries I   319 7215 19.22
24
24
1108 Card Trick   29 1540 49.03
20
21
1110 Sudoku   2 142 38.65
1112 Number Steps   47 22108 44.68
3
4
1161 Tic-Tac-Toe ( I )   9 1936 23.88
9
9
1162 Tic-Tac-Toe ( II )   3 1408 31.34
13
9
1163 Java vs C ++   15 4934 22.62
13
4
1166 Dead Fraction   1 294 22.83
17
34
1167 Move To Invert   10 2317 32.52
9
17
1182 Sorted bit squence   278 47.04
1183 Accomodate the palace   1 429 49.63
17
34
1267 Origin of Life   32 20.59
1268 CN Tower (Easy)   3 1067 30.35
8
6
1269 CN Tower (Hard)   22 12.87
1270 Paint By Numbers   18 21.37
1285 Continuous Fractions Again   3 325 41.47
17
17
1296 4 values whose sum is 0   37 3809 26.20
17
13
1325 Partial Sums   1 215 24.47
1326 A Chase In WonderLand   1 336 13.29
17
1
1329 Matrix   3 376 17.67
26
21
1335 Maze   34 20.97
1391 Summing to a Square Prime   16 1319 54.48
13
17
1418 The Cats and the Mouse   38 2314 33.74
12
12
1419 A Game with Numbers   61 8246 61.96
2
10
1420 Geometry and a Square   1 260 34.20
17
34
1421 Goods   137 30.77

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