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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
4186 Break a New RSA system   1 137 35.76
10399 Conga line   -1 356 35.75
9
9
23516 One day with string   10 231 35.75
7
10
4156 PLAHTE   64 35.75
21964 Golf Bot   5 81 35.75
34
27
10712 Easy Calculation   16 1361 35.74
10
14
32199 Ada and Cherry   11 150 35.72
14
22
10476 Fair bases   37 35.71
32271 KNIGHTS level testing   1 11 35.71
34
17
40084 Just Primes II   7 21 35.71
34
30
25311 Candies   9 1076 35.70
6
7
21332 Pigeonhole Tower   7 1749 35.70
4
6
2055 Weird Numbers   2 340 35.69
17
17
22529 Dandiya Night and Violence   10 55 35.68
9
12
371 Boxes   533 35.67
1
26
4525 Digger Octaves   6 371 35.67
17
21
12559 Drastic Race   49 35.67
27234 Sums of 2 and 3   18 953 35.67
5
10
151 The Courier   37 1034 35.66
22
23
300 Cable TV Network   2 623 35.63
24
30
9122 Diary   4 1058 35.62
12
3
26314 Corn Headache   7 355 35.61
8
9
11574 A Famous Stone Collector   3 122 35.60
9
23
9448 Swarm of Polygons   36 35.59
25892 Palindrome in a Tree   6 139 35.59
14
12
10444 Coding   97 35.58
32946 Ada and Branches   17 302 35.58
18
19
35363 The World of Charges   12 162 35.56
3
5
26788 Tiho Brdo   4 27 35.56
17
23
7108 Heptadecimal Numbers   9 1220 35.55
2
2
11300 Fun with numbers   4 293 35.55
11
17
25942 Ball sum   42 1772 35.55
11
11
69 Moulds   2 129 35.51
12
12
15569 Antisymmetry   2 301 35.51
17
34
372 The Benefactor   48 3039 35.51
12
13
36324 Richest_Beggar   8 171 35.45
4
10
39 Piggy-Bank   139 8081 35.45
14
16
25178 Elegant Permuted Sum   8 133 35.45
14
21
3932 Point Connection Game in a Circle   3 746 35.40
13
21
31428 Fibonacci Polynomial   10 120 35.38
19
21
31902 Paragliding Trip   1 20 35.37
17
34
25977 Matrix   2 78 35.36
17
26
18153 Robert Langdon & The Rule of Three   3 36 35.34
23
34
4657 Gas Wars   139 35.32
34
17
7423 File Recover Testing   17 899 35.31
7
11
10931 Online Bridge Searching   4 90 35.30
34
34
4478 Counting Expressions II   14 35.29
5452 Hop Do not Walk   2 144 35.29
17
17
9447 Genetics   41 35.29
11899 Queen Game   1 20 35.29
34
17

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