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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   276 175839 32.37
4
3
2 Prime Generator   575 61227 15.26
15
14
42 Adding Reversed Numbers   94 56926 48.25
6
4
11 Factorial   162 46305 44.96
5
12
24 Small factorials   148 38288 29.98
15
9
4 Transform the Expression   249 35557 48.43
12
11
1112 Number Steps   80 28717 43.37
3
4
3410 Feynman   113 28256 58.73
4
6
7974 What’s Next   45 25984 37.18
2
2
2123 Candy I   89 24773 43.59
3
5
297 Aggressive cows   919 24105 35.34
16
23
1025 Fashion Shows   30 23715 47.12
2
3
346 Bytelandian gold coins   529 23239 24.93
11
12
3442 The last digit   174 23143 27.62
9
8
4300 Rectangles   163 21884 50.09
4
8
400 To and Fro   84 21157 55.74
13
7
394 Alphacode   551 19242 26.47
15
15
54 Julka   155 18606 26.77
19
6
2148 Candy III   56 18042 24.73
9
5
5 The Next Palindrome   438 16901 10.34
25
18
1436 Is it a tree   323 16661 33.48
10
10
1030 Triple Fat Ladies   101 16321 51.54
3
11
95 Street Parade   305 15618 28.96
14
11
902 Hangover   49 15399 62.92
3
3
1437 Longest path in a tree   381 15063 37.02
13
14
9948 Will it ever stop   111 14981 42.98
4
9
6256 Inversion Count   498 13617 31.29
16
18
2727 Army Strength   34 12866 41.81
4
4
3375 Stamps   21 12674 41.76
5
3
2157 Anti-Blot System   98 12329 44.91
10
5
3377 A Bug’s Life   320 12220 26.33
12
13
6219 Edit distance   296 11994 32.99
12
18
302 Count on Cantor   151 11852 61.65
13
14
11063 AP - Complete The Series (Easy)   41 11675 37.64
3
5
379 Ambiguous Permutations   69 11479 59.63
4
5
3923 Philosophers Stone   294 11339 43.43
9
11
10509 Cards   70 11297 34.04
3
4
1724 Counting Triangles   67 11187 32.90
7
21
4408 Build a Fence   36 10981 44.92
4
5
1043 Can you answer these queries I   542 10602 16.91
25
24
7424 Girls and Boys   90 10529 47.03
4
10
14930 Princess Farida   263 10210 27.01
7
10
1419 A Game with Numbers   111 10086 61.36
2
10
4141 Euler Totient Function   132 9723 36.91
8
11
1021 Aibohphobia   294 9677 35.58
12
16
8002 Horrible Queries   373 9505 28.71
20
18
7742 Onotole needs your help   134 8936 39.64
4
11
5449 Seinfeld   182 8869 40.21
8
11
7733 Happy Numbers I   86 8720 53.70
8
8
3267 D-query   404 8660 24.43
19
23

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