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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
3112 Strings   1 265 30.68
17
34
34624 Longest palindrome with no adjacent duplicates   1 87 30.69
26
9
30738 Ada and Coins   56 741 30.69
14
22
183 Assembler circuits   57 30.69
9722 Insertion Sort   28 3838 30.70
12
12
32900 K-dominant array   3 296 30.70
30
30
5271 A Coin Game   4 510 30.70
21
30
27269 Cube Numbers   29 604 30.72
9
11
2275 Toil for Oil   13 30.72
11345 lcm addition   2 68 30.74
34
34
23875 Another Version of Inversion   6 61 30.74
21
21
10424 To Poland   3 266 30.76
17
6
25396 A Terribly Grimm Problem   2 18 30.77
28
28
35675 Primes in GCD Table (Hard)   2 9 30.77
50
50
9693 Revenge of Fibonacci   2 92 30.78
34
34
7602 New Game with a Chess Piece   4 217 30.79
17
34
8982 Representatives   20 418 30.79
17
16
16272 Nanoworld   1 38 30.80
17
17
27942 Product it again   5 119 30.80
23
17
4021 Bipalindrome   182 30.80
9547 Counting d-pairs   2 134 30.81
23
28
8992 A los saltos   36 30.82
16607 Sweets   3 132 30.83
26
34
21616 Game of chocolate   3 581 30.85
5
5
11707 Wrong directions   2 44 30.85
39
34
102 GX Light Pipeline Inc   75 30.85
21193 Adjusting Ducks   3 62 30.86
20
27
10186 Divisor Digits   6 1279 30.87
8
12
7188 Escape from Jail   12 618 30.90
18
23
11578 A Famous City   11 767 30.90
16
21
6895 Maximum Edge of Powers of Permutation   10 30.91
18289 Maggu and Mystery   13 30.91
39762 TABTABTAB   2 49 30.92
1
17
14943 Dynamically-Rooted Tree   21 315 30.93
21
23
30944 Jerry and his cheese   29 30.96
17
17
41944 BitPlay69   4 253 30.97
26
26
35278 Earth Sled Tour   4 25 30.97
34
34
21456 I Ken Bit Yu   5 117 30.99
9
21
10809 Unlock it !   83 30.99
741 Steady Cow Assignment   5 467 31.00
20
31
17303 Board   194 31.00
8591 Prime Permutations   5 104 31.01
28
23
518 Zig-Zag Permutation   1 42 31.02
26
26
13376 The new President   4 381 31.03
11
11
11202 Number Theory   -1 31 31.03
42
34
14846 Bribe the Prisoners   9 371 31.03
17
19
25336 Eefun Plays Doto   4 31.03
37226 Recursive Sequence (Version III)   4 7 31.03
34
34
13096 Amr Samir   5 914 31.04
9
10
1022 Angels and Devils   6 666 31.05
28
26

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