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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
390 Billiard   2 888 54.31
13
17
34683 Billing Issue   -5 388 49.10
1
1
13978 Billion ByteMan March   1 6 29.79
31396 Binary Game Reloaded   31 49.33
1
34
5143 Binary Integer   49 50.85
12908 Binary Matrix   1 14 8.29
39
34
3023 Binary multiplication   3 226 24.96
17
17
27497 Binary Protean Number   5 141 45.52
14
15
1790 Binary Search Heap Construction   6 319 23.04
21
22
3544 Binary Search Tree   6 595 20.75
11
20
11844 Binary Sequence of Prime Number   5 223 21.45
34
28
106 Binary Stirling Numbers   3 2638 36.67
4
17
7745 Bingo!   749 38.70
17
1
4523 Binomial Coefficients   207 41.33
23
12
9887 Binomial coefficients   1 154 26.64
34
34
7490 Biology   13 5.80
4021 Bipalindrome   183 30.89
36670 Bipartite Permutation   14 355 46.75
6
15
36671 Bipartite Permutation (Hard)   6 52 18.16
32
34
5463 Bird or not bird   2 115 38.84
1
17
9888 Bird tree   1 297 65.18
34
42
972 Birthday   120 19.34
17
17
1452 Birthday Cake   79 23.69
10145 Birthday Cake   7 255 36.41
12
12
22534 Birthday Gift for SJ   4 149 54.94
7
17
37921 Birthday Present   3 37 30.64
42
34
328 Bishops   82 8936 32.00
14
7
12001 Bit by Bit   2 139 35.89
17
23
25773 Bit Difference   18 415 34.73
16
19
206 Bitmap   245 9455 28.07
15
16
41944 BitPlay69   5 256 30.64
27
27
17394 Bits Game   48 38.76
1
34
26301 Bits. Exponents and Gcd   4 122 40.70
21
26
9637 Black and White   12 2167 54.05
4
5
19545 Black and White beads   1 237 33.70
26
26
3901 Black and White Nim   55 44.50
22441 Black and White Tiles   -1 29 45.35
13
9
7208 Black or White   58 1456 42.73
16
19
17110 Black Widow Rings   15 2718 52.09
3
3
12806 Blackjack   4 29.41
12030 Blackout   5 374 44.59
20
15
12600 Blade Master   1 15 40.74
34
17
4082 BLAST   30 1745 51.63
8
16
36653 Blind Escape II   3 8 60.24
23
28
9444 Block Drop   1 24 43.02
34
34
15577 Blockade   2 420 40.64
17
17
7250 Blocks for kids   2 96 43.87
23
23
13886 BLOCK_D SOLVER   2 17 18.10
17
26
1466 Blue Mary Needs Help Again   5 207 20.44
30
34
11372 Blueberries   62 2223 33.56
12
13

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