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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   295 212825 33.01
4
3
2 Prime Generator   620 78068 15.97
15
13
42 Adding Reversed Numbers   103 75755 48.42
6
4
11 Factorial   173 57870 44.92
6
12
24 Small factorials   153 49249 29.70
15
9
4 Transform the Expression   257 42673 49.18
12
11
7974 What’s Next   51 39903 35.30
2
2
297 Aggressive cows   1055 39837 36.10
16
23
3410 Feynman   120 33829 57.53
4
6
1112 Number Steps   84 33667 43.24
4
4
3442 The last digit   188 29211 26.94
9
8
2123 Candy I   95 28416 44.19
3
4
1025 Fashion Shows   30 27486 46.37
3
3
4300 Rectangles   174 26547 49.93
5
8
346 Bytelandian gold coins   541 25537 25.11
11
12
400 To and Fro   89 23219 55.55
14
7
54 Julka   161 22860 27.43
19
6
394 Alphacode   574 21936 27.19
15
15
2148 Candy III   54 20339 25.29
9
5
1436 Is it a tree   336 20303 35.18
10
10
5 The Next Palindrome   451 19903 10.74
25
18
1030 Triple Fat Ladies   106 18997 51.76
4
12
1437 Longest path in a tree   403 18997 38.85
14
15
95 Street Parade   317 18013 28.96
14
11
902 Hangover   56 17739 62.74
3
3
9948 Will it ever stop   118 17695 43.12
4
9
6256 Inversion Count   528 16690 31.55
16
18
3377 A Bug’s Life   342 15148 27.33
12
13
11814 Eko   171 14559 26.54
13
14
2727 Army Strength   38 14470 41.25
4
4
3375 Stamps   28 13679 41.74
5
3
10509 Cards   78 13351 34.11
4
4
1043 Can you answer these queries I   564 13282 18.45
25
24
6219 Edit distance   306 13063 33.17
12
18
1724 Counting Triangles   69 13009 34.03
7
21
302 Count on Cantor   154 12973 61.34
13
14
11063 AP - Complete The Series (Easy)   47 12958 37.22
3
6
2157 Anti-Blot System   104 12909 45.24
10
5
3923 Philosophers Stone   308 12554 43.44
10
11
379 Ambiguous Permutations   70 12288 59.53
4
5
3267 D-query   450 12249 27.55
19
23
4408 Build a Fence   37 12215 44.79
4
5
7424 Girls and Boys   91 12212 46.95
4
10
1419 A Game with Numbers   118 11947 61.64
3
10
14930 Princess Farida   273 11815 26.98
7
10
4141 Euler Totient Function   144 11407 38.39
8
11
32 A Needle in the Haystack   192 10799 38.17
15
13
8002 Horrible Queries   396 10699 29.44
19
18
1716 Can you answer these queries III   232 10665 42.71
22
21
1021 Aibohphobia   306 10572 36.17
12
17

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