list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   272 170150 33.61
3
3
2 Prime Generator   552 58744 15.75
16
14
42 Adding Reversed Numbers   90 55151 49.30
5
4
11 Factorial   157 44841 45.99
5
12
24 Small factorials   145 36972 30.29
15
9
4 Transform the Expression   236 34376 49.51
12
11
1112 Number Steps   79 27804 43.97
3
4
3410 Feynman   111 27409 59.98
4
6
7974 What’s Next   42 25081 38.10
2
2
2123 Candy I   87 23976 44.63
3
4
1025 Fashion Shows   29 22785 47.74
2
3
346 Bytelandian gold coins   522 22450 25.55
11
12
3442 The last digit   173 21833 28.41
9
8
4300 Rectangles   160 21070 51.61
4
8
297 Aggressive cows   869 20681 37.93
16
22
400 To and Fro   85 20580 55.98
13
7
394 Alphacode   539 18509 27.10
14
15
54 Julka   153 17991 27.19
19
6
2148 Candy III   54 17511 24.68
9
5
5 The Next Palindrome   432 16340 10.33
25
18
1030 Triple Fat Ladies   98 15733 51.71
3
11
1436 Is it a tree   316 15589 35.47
10
10
95 Street Parade   298 15041 30.55
14
11
902 Hangover   48 14875 63.35
3
3
9948 Will it ever stop   110 14325 44.12
4
9
1437 Longest path in a tree   372 14043 40.94
14
14
6256 Inversion Count   488 12972 32.85
16
18
2727 Army Strength   34 12386 42.17
4
4
3375 Stamps   21 12329 42.00
5
3
2157 Anti-Blot System   98 12072 44.97
11
5
6219 Edit distance   289 11707 34.74
12
18
302 Count on Cantor   149 11526 63.11
13
14
3377 A Bug’s Life   308 11260 28.29
12
13
379 Ambiguous Permutations   67 11207 60.05
4
5
11063 AP - Complete The Series (Easy)   37 11187 38.05
3
5
3923 Philosophers Stone   286 11043 45.59
9
11
1724 Counting Triangles   65 10777 32.91
7
21
10509 Cards   68 10647 34.54
3
4
4408 Build a Fence   35 10595 45.77
4
5
1043 Can you answer these queries I   537 10246 20.41
25
24
7424 Girls and Boys   88 10165 47.42
4
10
14930 Princess Farida   258 9845 29.06
7
10
1419 A Game with Numbers   106 9687 61.96
2
10
1021 Aibohphobia   291 9401 36.42
12
17
4141 Euler Totient Function   129 9280 39.32
8
11
8002 Horrible Queries   367 9261 30.25
20
18
7742 Onotole needs your help   133 8625 39.45
4
11
5449 Seinfeld   179 8525 41.31
8
11
7733 Happy Numbers I   84 8365 54.17
8
8
7406 Beehive Numbers   33 8334 58.31
4
9

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