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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
140 The Loner   160 21.49
34
17
31430 Highschool Homework   6 52 21.49
21
21
25482 Kimetto Kipsang and Kipchoge   1 44 21.48
34
34
12981 Fences   3 33 21.46
26
30
8720 Looks like Nim - but it is not   3 92 21.45
6
28
11244 GP - Complete the Series v1 ()   2 289 21.45
30
17
25784 Bubble Sort   10 742 21.44
16
17
866 DNA Translation   117 21.44
36667 Solution to all the problems   13 155 21.42
15
11
2415 Kirchhof Law   2 105 21.42
17
17
7567 Divisor Summation Powered   13 368 21.41
17
23
3390 Tribe Council   1 63 21.41
34
34
6895 Maximum Edge of Powers of Permutation   12 21.39
34536 MultiSort   4 179 21.36
8
4
19684 Symmetric matrix   8 21.35
6560 N DIV PHI_N (Hard)   4 168 21.34
17
28
16208 Challenge Accepted   2 24 21.34
17
17
7560 F - Interesting Ranges   13 21.33
21347 Tulip And Numbers   15 1038 21.33
14
14
27198 Ballons Revisited   4 99 21.33
1
23
21407 2x2 Subgrid Sum Problem (medium)   1 22 21.29
2963 Painting Blocks (Act II)   1 61 21.28
17
34
25015 Subsequences with modulo   5 65 21.26
34
34
8551 Colours A, B, C, D   39 2165 21.23
10
21
3110 Palindromic Number   3 102 21.22
9
17
4681 Twice   5 287 21.21
24
27
228 Shamans   144 21.20
9
9
22741 Another Valentine Maze Game (2D)   2 11 21.19
50
34
2022 Truth Or Lie   104 21.17
685 Partition the sequence   3 244 21.17
21
30
21599 POWER LEFT   1 113 21.17
21
14
3078 Copying DNA   48 21.17
21155 Manoj and Fire   25 21.16
7599 Optimal Strategy for the ICPC   10 21.15
22253 Distributing sweets   4 109 21.13
21
17
32271 KNIGHTS level testing   1 11 21.13
34
17
3196 Divisibility Relation   5 291 21.10
20
39
9525 Cipher   -1 101 21.10
24247 Monkey King   2 117 21.08
14
14
13953 Divide Polygon (HARD)   1 18 21.08
34
34
3638 Word Counting   7 2643 21.08
10
6
17755 Tree and Palindrome   1 152 21.08
1
1
7193 The Pharaoh Curse   16 21.05
22463 Smallest Number (medium)   9 70 21.04
29
25
11461 Book Shelves   2 80 21.04
17
17
2161 Pixel Shuffle   34 21.03
50
17
33372 Lannister Army   12 412 21.02
20
29
12889 MAD   2 164 21.01
1
1
3544 Binary Search Tree   6 611 21.01
11
20
913 Query on a tree II   118 4786 20.97
23
21

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