list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
913 Query on a tree II   71 2890 24.50
24
22
944 Free Tour   16 3.54
962 Intergalactic Map   4 507 24.91
22
29
964 Entrapment   5 323 24.11
17
26
967 Parking Bay   1 445 47.24
17
34
972 Birthday   115 19.41
987 Mobile   67 15.21
996 Continuous Fractions   1 262 37.08
17
17
999 Generalized Matrioshkas   402 32.49
1000 Equidivisions   -1 583 23.22
13
13
1001 Babylonian Roulette   2 578 49.41
17
17
1002 Uncle Jack   9 2766 39.92
9
8
1003 Little Quilt   154 43.93
17
17
1004 Polygon Encoder   52 8.40
1021 Aibohphobia   209 7838 35.49
11
16
1022 Angels and Devils   5 584 31.13
27
27
1024 Complete Chess Boards   2 506 54.67
21
24
1025 Fashion Shows   23 19385 47.60
3
4
1026 Favorite Dice   32 3732 74.25
4
21
1027 Fool the Police   18 1477 26.75
17
22
1028 Hubulullu   47 6923 59.27
2
15
1029 Matrix Summation   34 2593 20.23
13
17
1030 Triple Fat Ladies   78 14010 51.23
4
13
1031 Up Subsequence   2 700 32.51
17
12
1043 Can you answer these queries I   387 8140 19.49
24
24
1108 Card Trick   33 1612 49.29
21
21
1110 Sudoku   2 154 39.74
1112 Number Steps   56 23806 44.49
3
4
1161 Tic-Tac-Toe ( I )   10 2057 24.06
8
9
1162 Tic-Tac-Toe ( II )   5 1497 31.31
17
9
1163 Java vs C ++   16 5095 22.64
13
4
1166 Dead Fraction   1 299 22.92
17
34
1167 Move To Invert   10 2353 32.67
9
17
1182 Sorted bit squence   280 47.02
1183 Accomodate the palace   3 434 49.86
17
34
1267 Origin of Life   33 20.87
1268 CN Tower (Easy)   3 1074 30.35
8
6
1269 CN Tower (Hard)   22 12.87
1270 Paint By Numbers   18 21.21
1285 Continuous Fractions Again   2 334 41.04
17
13
1296 4 values whose sum is 0   50 4169 26.37
17
13
1325 Partial Sums   2 220 24.80
17
1326 A Chase In WonderLand   1 340 13.27
17
1
1329 Matrix   3 384 17.80
26
21
1335 Maze   43 23.47
1391 Summing to a Square Prime   16 1328 54.54
13
17
1418 The Cats and the Mouse   43 2442 34.16
12
12
1419 A Game with Numbers   76 8723 62.05
2
10
1420 Geometry and a Square   1 261 34.23
17
34
1421 Goods   137 30.77

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