list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   228 140232 33.13
3
3
42 Adding Reversed Numbers   73 46937 48.59
6
5
2 Prime Generator   426 46591 15.53
16
14
11 Factorial   124 38044 45.90
5
12
24 Small factorials   103 31135 30.40
15
9
4 Transform the Expression   167 28403 48.97
12
11
1112 Number Steps   55 23659 44.48
3
4
3410 Feynman   81 23410 61.03
4
6
7974 What’s Next   26 21280 38.29
2
2
2123 Candy I   69 20347 44.72
3
4
1025 Fashion Shows   24 19260 47.60
3
4
400 To and Fro   59 18360 56.18
14
7
346 Bytelandian gold coins   420 18333 26.36
12
12
4300 Rectangles   126 18048 51.89
4
8
3442 The last digit   104 17532 28.52
9
9
54 Julka   119 15876 27.44
19
6
2148 Candy III   44 15489 24.27
9
5
394 Alphacode   391 15256 27.22
13
15
5 The Next Palindrome   337 14026 10.18
25
19
1030 Triple Fat Ladies   77 13942 51.25
4
13
902 Hangover   31 13231 63.72
3
3
297 Aggressive cows   576 13056 38.68
16
22
9948 Will it ever stop   88 12475 44.27
5
9
95 Street Parade   215 11848 31.81
14
11
1436 Is it a tree   237 11557 33.83
11
10
2157 Anti-Blot System   83 11265 44.54
10
6
3375 Stamps   28 11175 42.25
5
3
2727 Army Strength   32 10904 42.08
3
4
302 Count on Cantor   129 10759 63.25
13
14
6256 Inversion Count   356 10560 32.28
16
18
379 Ambiguous Permutations   68 10344 59.83
4
6
11063 AP - Complete The Series (Easy)   28 10098 38.49
3
5
6219 Edit distance   219 10089 34.55
12
17
1437 Longest path in a tree   263 10075 38.83
14
15
1724 Counting Triangles   54 9989 33.19
7
21
4408 Build a Fence   26 9679 46.07
4
4
3923 Philosophers Stone   223 9324 45.50
10
10
7424 Girls and Boys   70 9148 47.66
4
10
10509 Cards   46 9020 35.48
3
4
1419 A Game with Numbers   74 8682 62.00
2
10
1043 Can you answer these queries I   381 8059 19.46
24
24
14930 Princess Farida   187 7874 29.53
7
10
1021 Aibohphobia   201 7754 35.45
11
16
7742 Onotole needs your help   114 7738 38.61
4
12
7406 Beehive Numbers   30 7634 58.40
5
9
7733 Happy Numbers I   64 7376 54.40
9
8
8002 Horrible Queries   289 7354 29.25
20
19
2178 He is offside!   7 7336 49.82
3
4
4141 Euler Totient Function   97 7326 37.17
8
12
328 Bishops   65 7319 31.45
14
6

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