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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
972 Birthday   120 19.44
17
17
987 Mobile   70 15.53
17
17
996 Continuous Fractions   1 277 37.45
9
9
999 Generalized Matrioshkas   414 32.46
1000 Equidivisions   -1 648 23.43
13
13
1001 Babylonian Roulette   1 662 50.33
13
13
1002 Uncle Jack   13 2966 39.66
9
8
1003 Little Quilt   3 169 39.89
21
11
1004 Polygon Encoder   58 10.64
17
1
1021 Aibohphobia   309 10674 36.20
12
17
1022 Angels and Devils   6 670 31.09
26
25
1024 Complete Chess Boards   2 532 54.86
17
20
1025 Fashion Shows   30 27783 46.39
3
3
1026 Favorite Dice   42 5420 63.74
4
21
1027 Fool the Police   25 1644 27.03
18
23
1028 Hubulullu   61 8244 58.73
2
15
1029 Matrix Summation   53 3504 20.07
15
18
1030 Triple Fat Ladies   106 19168 51.77
4
12
1031 Up Subsequence   2 728 32.60
15
10
1043 Can you answer these queries I   567 14049 18.91
25
24
1108 Card Trick   68 2218 50.44
21
24
1110 Sudoku   4 505 39.40
34
1
1112 Number Steps   84 34064 43.05
4
4
1161 Tic-Tac-Toe ( I )   20 3341 22.88
12
11
1162 Tic-Tac-Toe ( II )   8 2380 30.33
17
10
1163 Java vs C ++   17 5519 22.87
14
5
1166 Dead Fraction   318 23.21
12
17
1167 Move To Invert   13 2453 31.78
8
16
1182 Sorted bit squence   292 42.04
17
1
1183 Accomodate the palace   4 552 52.68
17
34
1267 Origin of Life   35 22.18
34
1
1268 CN Tower (Easy)   3 1111 30.69
8
6
1269 CN Tower (Hard)   23 11.69
34
34
1270 Paint By Numbers   22 21.43
1285 Continuous Fractions Again   5 372 41.70
15
10
1296 4 values whose sum is 0   64 5102 24.89
18
14
1325 Partial Sums   2 223 24.73
9
1
1326 A Chase In WonderLand   2 406 13.48
6
1
1329 Matrix   6 410 17.18
28
26
1335 Maze   64 17.74
17
17
1391 Summing to a Square Prime   16 1421 54.09
12
17
1418 The Cats and the Mouse   55 2974 33.68
10
12
1419 A Game with Numbers   118 12060 61.53
3
10
1420 Geometry and a Square   1 271 33.98
9
17
1421 Goods   141 29.20
1
34
1431 Projections Of A Polygon   2 119 10.30
12
6
1433 The Sum   2 291 17.29
39
30
1434 Equation   5 416 33.20
21
26
1435 Vertex Cover   129 4108 34.27
15
18
1436 Is it a tree   338 20808 35.24
10
10

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