list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   265 162956 33.43
3
3
2 Prime Generator   515 55663 15.65
15
14
42 Adding Reversed Numbers   84 52728 49.14
6
4
11 Factorial   153 42883 45.89
5
12
24 Small factorials   138 35096 30.27
15
9
4 Transform the Expression   223 32883 49.35
12
11
1112 Number Steps   72 26647 44.04
3
4
3410 Feynman   107 26257 60.40
4
6
7974 What’s Next   38 23849 38.25
2
2
2123 Candy I   79 23022 44.55
4
4
1025 Fashion Shows   29 21728 47.90
2
3
346 Bytelandian gold coins   506 21618 25.75
11
12
3442 The last digit   161 20503 28.62
9
8
4300 Rectangles   155 20199 51.75
5
8
400 To and Fro   77 19978 55.95
13
7
297 Aggressive cows   805 18303 37.90
16
22
394 Alphacode   522 17871 27.04
14
15
54 Julka   149 17400 27.16
19
6
2148 Candy III   56 16998 24.59
9
5
5 The Next Palindrome   417 15769 10.26
25
19
1030 Triple Fat Ladies   95 15153 51.50
4
11
902 Hangover   45 14505 63.42
4
3
95 Street Parade   288 14492 30.64
14
11
1436 Is it a tree   298 14299 35.04
10
10
9948 Will it ever stop   108 13797 44.04
5
9
1437 Longest path in a tree   347 12803 40.36
13
14
6256 Inversion Count   460 12397 32.74
16
18
3375 Stamps   20 12046 42.02
5
2
2727 Army Strength   37 12043 42.14
4
4
2157 Anti-Blot System   95 11899 44.86
10
6
6219 Edit distance   279 11398 34.85
12
17
302 Count on Cantor   146 11341 63.27
13
14
379 Ambiguous Permutations   67 10973 60.08
4
5
11063 AP - Complete The Series (Easy)   36 10868 38.19
3
5
3923 Philosophers Stone   278 10708 45.65
9
10
1724 Counting Triangles   62 10522 32.91
7
21
4408 Build a Fence   32 10365 45.85
4
5
10509 Cards   64 10192 34.55
4
4
3377 A Bug’s Life   280 10076 28.04
13
13
7424 Girls and Boys   84 9902 47.56
4
10
1043 Can you answer these queries I   522 9777 20.18
25
24
1419 A Game with Numbers   103 9418 62.01
2
10
14930 Princess Farida   245 9400 29.17
7
10
1021 Aibohphobia   273 8988 35.88
12
16
8002 Horrible Queries   360 8932 30.12
19
18
4141 Euler Totient Function   122 8777 38.65
8
11
7742 Onotole needs your help   129 8354 39.04
4
12
5449 Seinfeld   164 8225 41.49
8
10
7406 Beehive Numbers   31 8150 58.26
4
9
7733 Happy Numbers I   81 8037 54.30
8
8

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