list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   272 169684 33.60
3
3
2 Prime Generator   548 58502 15.75
16
14
42 Adding Reversed Numbers   90 54940 49.32
5
4
11 Factorial   157 44679 45.98
5
12
24 Small factorials   145 36804 30.29
15
9
4 Transform the Expression   236 34273 49.52
12
11
1112 Number Steps   79 27674 44.00
3
4
3410 Feynman   111 27272 60.05
4
6
7974 What’s Next   42 24941 38.13
2
2
2123 Candy I   86 23867 44.62
3
4
1025 Fashion Shows   29 22675 47.80
2
3
346 Bytelandian gold coins   521 22380 25.55
11
12
3442 The last digit   173 21701 28.46
9
8
4300 Rectangles   160 20971 51.62
4
8
400 To and Fro   85 20538 55.98
13
7
297 Aggressive cows   867 20501 37.97
16
22
394 Alphacode   536 18462 27.08
14
15
54 Julka   153 17940 27.20
19
6
2148 Candy III   55 17432 24.66
9
5
5 The Next Palindrome   432 16300 10.33
25
18
1030 Triple Fat Ladies   97 15659 51.71
4
11
1436 Is it a tree   315 15527 35.45
10
10
95 Street Parade   298 14997 30.55
14
11
902 Hangover   47 14840 63.37
3
3
9948 Will it ever stop   110 14266 44.15
4
9
1437 Longest path in a tree   370 13979 40.89
13
14
6256 Inversion Count   486 12928 32.88
16
18
2727 Army Strength   34 12342 42.18
4
4
3375 Stamps   21 12292 42.03
5
3
2157 Anti-Blot System   98 12059 44.98
11
5
6219 Edit distance   289 11687 34.76
12
18
302 Count on Cantor   148 11512 63.10
13
14
3377 A Bug’s Life   307 11208 28.26
12
13
379 Ambiguous Permutations   67 11179 60.11
4
5
11063 AP - Complete The Series (Easy)   38 11150 38.03
3
5
3923 Philosophers Stone   286 11020 45.58
9
11
1724 Counting Triangles   65 10744 32.92
7
21
10509 Cards   68 10601 34.57
3
4
4408 Build a Fence   35 10564 45.80
4
5
1043 Can you answer these queries I   537 10219 20.38
25
24
7424 Girls and Boys   88 10140 47.44
4
10
14930 Princess Farida   257 9821 29.03
7
10
1419 A Game with Numbers   106 9662 61.97
2
10
1021 Aibohphobia   289 9381 36.32
12
17
8002 Horrible Queries   366 9245 30.24
19
18
4141 Euler Totient Function   129 9244 39.28
8
11
7742 Onotole needs your help   132 8595 39.41
4
12
5449 Seinfeld   178 8501 41.32
8
11
7406 Beehive Numbers   32 8301 58.28
4
9
7733 Happy Numbers I   84 8294 54.27
8
8

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