list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
1 Life, the Universe, and Everything   170 116332 32.85
3
3
42 Adding Reversed Numbers   48 39818 48.40
6
4
2 Prime Generator   309 37457 15.36
17
15
11 Factorial   93 32750 45.82
6
12
24 Small factorials   76 26845 30.15
14
9
4 Transform the Expression   98 23372 48.72
11
11
1112 Number Steps   38 20349 44.94
3
4
3410 Feynman   57 20074 62.04
4
6
7974 What’s Next   18 18240 38.44
2
2
2123 Candy I   53 17268 44.46
3
4
1025 Fashion Shows   11 16441 47.04
3
4
400 To and Fro   40 16234 56.43
14
8
4300 Rectangles   88 15231 51.79
5
9
3442 The last digit   76 15057 28.61
9
9
346 Bytelandian gold coins   296 14691 27.36
12
12
54 Julka   72 13910 27.91
19
6
2148 Candy III   23 13365 24.12
8
4
1030 Triple Fat Ladies   53 12151 51.47
4
12
394 Alphacode   264 12142 27.23
13
15
5 The Next Palindrome   232 11843 10.01
24
19
902 Hangover   25 11597 63.88
3
3
9948 Will it ever stop   61 10518 44.31
5
9
2157 Anti-Blot System   65 10141 44.21
10
6
3375 Stamps   22 9888 42.46
4
3
302 Count on Cantor   93 9722 63.10
13
14
2727 Army Strength   34 9462 41.61
3
5
379 Ambiguous Permutations   51 9347 59.24
4
5
1436 Is it a tree   157 9201 33.04
10
11
95 Street Parade   147 9126 33.49
14
11
1724 Counting Triangles   44 9003 33.12
8
21
11063 AP - Complete The Series (Easy)   17 8683 38.83
3
4
297 Aggressive cows   364 8615 40.30
16
22
4408 Build a Fence   18 8541 46.69
5
3
6256 Inversion Count   248 8518 31.40
15
17
6219 Edit distance   157 8288 33.87
12
17
7424 Girls and Boys   46 8056 47.61
4
9
1437 Longest path in a tree   179 7852 37.97
14
15
1419 A Game with Numbers   49 7663 61.73
2
9
3923 Philosophers Stone   155 7527 45.19
10
10
10509 Cards   41 7506 35.67
4
4
7406 Beehive Numbers   19 6842 57.67
3
7
7742 Onotole needs your help   84 6736 38.32
4
13
328 Bishops   54 6574 31.26
15
6
2178 He is offside!   14 6527 49.83
3
3
7733 Happy Numbers I   36 6402 54.00
8
8
8670 THE MAX LINES   14 6330 36.96
4
10
1028 Hubulullu   41 6229 58.65
2
15
8612 Penney Game   24 6193 66.37
5
4
1043 Can you answer these queries I   238 6151 19.23
24
25
5699 The last digit re-visited   26 6112 31.68
10
9

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