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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   295 212758 33.01
4
3
2 Prime Generator   620 78023 15.97
15
13
42 Adding Reversed Numbers   103 75722 48.42
6
4
11 Factorial   173 57850 44.91
6
12
24 Small factorials   153 49236 29.70
15
9
4 Transform the Expression   257 42657 49.18
12
11
7974 What’s Next   51 39887 35.30
2
2
297 Aggressive cows   1055 39802 36.10
16
23
3410 Feynman   120 33826 57.53
4
6
1112 Number Steps   84 33666 43.24
4
4
3442 The last digit   188 29202 26.94
9
8
2123 Candy I   95 28414 44.19
3
4
1025 Fashion Shows   30 27485 46.37
3
3
4300 Rectangles   174 26544 49.94
5
8
346 Bytelandian gold coins   541 25529 25.11
11
12
400 To and Fro   89 23217 55.55
14
7
54 Julka   161 22857 27.43
19
6
394 Alphacode   574 21929 27.19
15
15
2148 Candy III   54 20339 25.29
9
5
1436 Is it a tree   336 20295 35.18
10
10
5 The Next Palindrome   451 19900 10.74
25
18
1030 Triple Fat Ladies   106 18996 51.76
4
12
1437 Longest path in a tree   403 18984 38.84
14
15
95 Street Parade   317 17993 28.96
14
11
902 Hangover   56 17737 62.74
3
3
9948 Will it ever stop   118 17693 43.12
4
9
6256 Inversion Count   527 16677 31.54
16
18
3377 A Bug’s Life   341 15135 27.33
12
13
11814 Eko   171 14548 26.55
13
14
2727 Army Strength   38 14469 41.25
4
4
3375 Stamps   28 13677 41.74
5
3
10509 Cards   78 13348 34.12
4
4
1043 Can you answer these queries I   564 13273 18.45
25
24
6219 Edit distance   306 13058 33.17
12
18
1724 Counting Triangles   69 13007 34.03
7
21
302 Count on Cantor   154 12973 61.34
13
14
11063 AP - Complete The Series (Easy)   47 12957 37.22
3
6
2157 Anti-Blot System   104 12908 45.24
10
5
3923 Philosophers Stone   308 12552 43.44
10
11
379 Ambiguous Permutations   70 12287 59.52
4
5
3267 D-query   450 12229 27.55
19
23
4408 Build a Fence   37 12215 44.79
4
5
7424 Girls and Boys   91 12211 46.95
4
10
1419 A Game with Numbers   118 11946 61.64
3
10
14930 Princess Farida   273 11813 26.98
7
10
4141 Euler Totient Function   144 11404 38.39
8
11
32 A Needle in the Haystack   192 10794 38.18
15
13
8002 Horrible Queries   396 10698 29.43
19
18
1716 Can you answer these queries III   232 10655 42.72
22
21
1021 Aibohphobia   306 10570 36.16
12
17

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