list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   272 166050 33.49
3
3
2 Prime Generator   534 56841 15.69
15
14
42 Adding Reversed Numbers   89 53447 49.24
5
4
11 Factorial   157 43428 45.90
5
12
24 Small factorials   144 35544 30.30
15
9
4 Transform the Expression   232 33424 49.43
12
11
1112 Number Steps   77 26944 44.08
3
4
3410 Feynman   109 26536 60.33
4
6
7974 What’s Next   40 24099 38.25
2
2
2123 Candy I   85 23278 44.53
3
4
1025 Fashion Shows   28 21990 47.93
2
3
346 Bytelandian gold coins   516 21987 25.61
11
12
3442 The last digit   170 20982 28.67
9
8
4300 Rectangles   159 20421 51.65
4
8
400 To and Fro   81 20185 55.99
13
7
297 Aggressive cows   845 19417 37.96
16
22
394 Alphacode   530 18178 27.01
14
15
54 Julka   148 17575 27.18
19
6
2148 Candy III   57 17141 24.63
9
5
5 The Next Palindrome   424 15963 10.28
25
18
1030 Triple Fat Ladies   96 15291 51.61
4
11
1436 Is it a tree   309 14991 35.25
10
10
95 Street Parade   294 14750 30.58
14
11
902 Hangover   48 14610 63.45
3
3
9948 Will it ever stop   110 13929 44.08
4
9
1437 Longest path in a tree   358 13501 40.65
13
14
6256 Inversion Count   478 12661 32.86
16
18
2727 Army Strength   36 12162 42.21
4
4
3375 Stamps   21 12122 42.04
5
3
2157 Anti-Blot System   96 11961 44.94
11
5
6219 Edit distance   284 11539 34.82
12
18
302 Count on Cantor   148 11406 63.14
13
14
379 Ambiguous Permutations   66 11041 60.08
4
5
11063 AP - Complete The Series (Easy)   38 10934 38.18
3
5
3923 Philosophers Stone   281 10855 45.70
9
11
3377 A Bug’s Life   295 10725 28.17
13
13
1724 Counting Triangles   65 10576 32.90
7
21
4408 Build a Fence   35 10432 45.90
4
5
10509 Cards   66 10311 34.58
3
4
1043 Can you answer these queries I   532 10019 20.25
25
24
7424 Girls and Boys   87 9987 47.56
4
10
14930 Princess Farida   253 9665 29.02
7
10
1419 A Game with Numbers   106 9485 61.98
2
10
1021 Aibohphobia   284 9150 35.91
12
17
8002 Horrible Queries   363 9101 30.17
19
18
4141 Euler Totient Function   124 9041 39.04
8
11
7742 Onotole needs your help   129 8429 39.16
4
12
5449 Seinfeld   172 8358 41.47
8
11
7406 Beehive Numbers   31 8190 58.30
4
9
7733 Happy Numbers I   83 8106 54.33
8
8

Most popular tags