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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   295 212844 33.01
4
3
2 Prime Generator   620 78074 15.97
15
13
42 Adding Reversed Numbers   103 75756 48.42
6
4
11 Factorial   173 57872 44.91
6
12
24 Small factorials   153 49251 29.70
15
9
4 Transform the Expression   257 42676 49.19
12
11
7974 What’s Next   51 39904 35.30
2
2
297 Aggressive cows   1055 39846 36.10
16
23
3410 Feynman   120 33829 57.53
4
6
1112 Number Steps   84 33668 43.25
4
4
3442 The last digit   188 29213 26.95
9
8
2123 Candy I   95 28417 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 25538 25.11
11
12
400 To and Fro   89 23219 55.55
14
7
54 Julka   161 22861 27.42
19
6
394 Alphacode   575 21940 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 19905 10.74
25
18
1437 Longest path in a tree   403 18998 38.85
14
15
1030 Triple Fat Ladies   106 18997 51.76
4
12
95 Street Parade   317 18014 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 16692 31.55
16
18
3377 A Bug’s Life   342 15150 27.33
12
13
11814 Eko   170 14564 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 33.16
12
18
1724 Counting Triangles   69 13011 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 12555 43.44
10
11
379 Ambiguous Permutations   70 12288 59.53
4
5
3267 D-query   450 12255 27.55
19
23
4408 Build a Fence   37 12215 44.79
4
5
7424 Girls and Boys   91 12213 46.96
4
10
1419 A Game with Numbers   118 11947 61.64
3
10
14930 Princess Farida   273 11819 26.98
7
10
4141 Euler Totient Function   144 11407 38.39
8
11
32 A Needle in the Haystack   192 10800 38.18
15
13
8002 Horrible Queries   396 10701 29.43
19
18
1716 Can you answer these queries III   232 10667 42.72
22
21
1021 Aibohphobia   306 10573 36.17
12
17

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