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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
912 Submatrix of submatrix   1 170 26.72
34
17
913 Query on a tree II   118 4724 20.90
23
21
944 Free Tour   16 3.03
962 Intergalactic Map   2 567 23.38
19
28
964 Entrapment   6 339 23.97
17
24
967 Parking Bay   3 564 48.89
12
23
972 Birthday   123 18.33
17
17
987 Mobile   74 15.86
17
17
996 Continuous Fractions   1 278 37.51
9
9
999 Generalized Matrioshkas   418 32.57
1000 Equidivisions   -1 653 23.37
13
13
1001 Babylonian Roulette   1 666 50.40
13
13
1002 Uncle Jack   13 2969 39.65
9
8
1003 Little Quilt   3 171 39.96
21
11
1004 Polygon Encoder   63 11.03
17
1
1021 Aibohphobia   310 10711 36.22
12
17
1022 Angels and Devils   6 672 31.12
26
25
1024 Complete Chess Boards   2 534 54.89
17
20
1025 Fashion Shows   30 27845 46.42
3
3
1026 Favorite Dice   42 5465 63.77
4
21
1027 Fool the Police   25 1652 27.11
18
23
1028 Hubulullu   61 8254 58.71
2
15
1029 Matrix Summation   53 3535 20.14
15
18
1030 Triple Fat Ladies   106 19202 51.77
4
12
1031 Up Subsequence   2 731 32.65
15
10
1043 Can you answer these queries I   569 14220 18.98
25
24
1108 Card Trick   68 2235 50.38
21
24
1110 Sudoku   4 532 40.10
34
1
1112 Number Steps   84 34126 43.04
4
4
1161 Tic-Tac-Toe ( I )   20 3368 22.84
12
11
1162 Tic-Tac-Toe ( II )   8 2401 30.38
17
10
1163 Java vs C ++   17 5522 22.88
14
5
1166 Dead Fraction   321 23.29
12
17
1167 Move To Invert   13 2459 31.82
8
16
1182 Sorted bit squence   296 42.30
17
1
1183 Accomodate the palace   4 554 52.71
17
34
1267 Origin of Life   39 24.52
34
1
1268 CN Tower (Easy)   3 1122 30.74
8
6
1269 CN Tower (Hard)   26 11.59
34
34
1270 Paint By Numbers   27 22.83
1285 Continuous Fractions Again   5 375 41.79
15
10
1296 4 values whose sum is 0   64 5113 24.90
18
14
1325 Partial Sums   2 224 24.73
9
1
1326 A Chase In WonderLand   2 410 13.54
6
1
1329 Matrix   6 412 17.20
28
26
1335 Maze   66 17.80
17
17
1391 Summing to a Square Prime   16 1424 53.98
12
17
1418 The Cats and the Mouse   55 2992 33.75
10
12
1419 A Game with Numbers   118 12073 61.49
3
10
1420 Geometry and a Square   1 275 34.05
9
17

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