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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   302 220664 33.13
4
3
42 Adding Reversed Numbers   103 83997 48.49
6
4
2 Prime Generator   628 81845 16.21
15
13
11 Factorial   175 59965 44.98
6
12
24 Small factorials   154 50954 29.60
15
9
7974 What’s Next   52 47706 35.25
2
2
297 Aggressive cows   1073 46011 35.93
16
23
4 Transform the Expression   258 43937 49.34
12
11
3410 Feynman   122 34366 57.48
4
6
1112 Number Steps   84 34074 43.04
4
4
3442 The last digit   190 29840 26.91
9
8
2123 Candy I   99 29023 44.19
4
5
1025 Fashion Shows   30 27793 46.40
3
3
4300 Rectangles   176 26928 49.82
5
8
346 Bytelandian gold coins   544 25865 25.19
11
12
400 To and Fro   90 23398 55.57
14
7
54 Julka   163 23304 27.50
19
6
394 Alphacode   581 22584 27.33
15
15
1436 Is it a tree   338 20824 35.25
10
10
2148 Candy III   54 20484 25.33
9
5
5 The Next Palindrome   452 20421 10.75
25
18
1437 Longest path in a tree   407 19894 39.39
14
15
1030 Triple Fat Ladies   106 19170 51.77
4
12
95 Street Parade   318 18444 29.06
14
11
9948 Will it ever stop   119 17888 42.99
4
9
902 Hangover   56 17878 62.80
3
3
6256 Inversion Count   533 17656 31.87
16
18
11814 Eko   171 16121 26.77
13
13
3377 A Bug’s Life   342 15652 27.57
12
13
2727 Army Strength   38 14543 41.23
4
4
1043 Can you answer these queries I   567 14063 18.91
25
24
3375 Stamps   28 13769 41.70
5
3
10509 Cards   78 13504 34.00
4
4
3267 D-query   458 13422 28.29
19
23
6219 Edit distance   305 13184 33.12
12
18
1724 Counting Triangles   69 13152 34.01
7
21
302 Count on Cantor   155 13048 61.25
13
14
11063 AP - Complete The Series (Easy)   48 13014 37.16
3
6
2157 Anti-Blot System   104 12952 45.23
10
5
3923 Philosophers Stone   309 12759 43.49
10
11
379 Ambiguous Permutations   71 12357 59.59
4
5
7424 Girls and Boys   91 12318 46.95
4
10
4408 Build a Fence   38 12304 44.81
4
5
14930 Princess Farida   274 12107 26.90
7
10
1419 A Game with Numbers   118 12061 61.53
3
10
4141 Euler Totient Function   147 11839 38.81
8
11
1716 Can you answer these queries III   236 11710 43.50
22
21
32 A Needle in the Haystack   193 11222 38.30
15
14
8002 Horrible Queries   398 11008 29.74
19
18
1021 Aibohphobia   309 10676 36.20
12
17

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