list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
987 Mobile   70 15.53
996 Continuous Fractions   1 274 37.37
17
17
999 Generalized Matrioshkas   412 32.54
1000 Equidivisions   -1 643 23.40
13
13
1001 Babylonian Roulette   2 652 50.00
17
17
1002 Uncle Jack   13 2957 39.65
9
8
1003 Little Quilt   3 168 39.78
26
13
1004 Polygon Encoder   54 9.27
1021 Aibohphobia   307 10578 36.17
12
17
1022 Angels and Devils   6 665 31.13
28
26
1024 Complete Chess Boards   2 525 54.56
17
20
1025 Fashion Shows   30 27489 46.37
3
3
1026 Favorite Dice   42 5222 63.45
4
21
1027 Fool the Police   25 1636 26.97
18
23
1028 Hubulullu   60 8195 58.76
2
15
1029 Matrix Summation   52 3413 19.99
15
18
1030 Triple Fat Ladies   106 19006 51.75
4
12
1031 Up Subsequence   2 725 32.52
17
12
1043 Can you answer these queries I   564 13296 18.46
25
24
1108 Card Trick   68 2172 50.39
21
24
1110 Sudoku   4 430 38.26
34
1
1112 Number Steps   84 33670 43.24
4
4
1161 Tic-Tac-Toe ( I )   20 3229 22.89
12
10
1162 Tic-Tac-Toe ( II )   6 2310 30.44
17
9
1163 Java vs C ++   17 5503 22.84
14
5
1166 Dead Fraction   315 23.21
17
26
1167 Move To Invert   13 2444 31.76
8
16
1182 Sorted bit squence   287 41.76
1183 Accomodate the palace   4 543 52.35
17
34
1267 Origin of Life   33 19.82
1268 CN Tower (Easy)   3 1104 30.60
8
6
1269 CN Tower (Hard)   22 11.50
1270 Paint By Numbers   19 19.62
1285 Continuous Fractions Again   5 368 41.98
17
12
1296 4 values whose sum is 0   63 5050 24.87
18
14
1325 Partial Sums   2 222 24.78
17
1326 A Chase In WonderLand   2 402 13.44
9
1
1329 Matrix   6 409 17.21
28
26
1335 Maze   62 17.43
1391 Summing to a Square Prime   16 1415 54.06
12
17
1418 The Cats and the Mouse   54 2957 33.71
10
12
1419 A Game with Numbers   118 11948 61.63
3
10
1420 Geometry and a Square   1 268 33.99
17
34
1421 Goods   140 30.65
1431 Projections Of A Polygon   2 115 10.17
9
1
1433 The Sum   2 279 17.04
42
34
1434 Equation   5 415 33.18
21
26
1435 Vertex Cover   128 4015 34.07
15
18
1436 Is it a tree   336 20316 35.18
10
10
1437 Longest path in a tree   403 19020 38.86
14
15

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