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11 votes
38 answers
3k views

Repeat Hello World according to another string's length

36 votes
39 answers
6k views

Repeated! Factorials!

0 votes
1 answer
174 views

Program a compiler compiler

23 votes
23 answers
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43 votes
105 answers
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Does the start equal the end?

7 votes
4 answers
457 views

Train Route Planning

3 votes
1 answer
257 views
+50

Optimal strategy to defeat the wizard

12 votes
19 answers
952 views

Restricted Integer Partitions

20 votes
13 answers
2k views

smallest number of steps for a knight in chess

390 votes
46 answers
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46 votes
118 answers
7k views

The vanilla factorial challenge

27 votes
62 answers
7k views

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33 votes
34 answers
7k views

Numbers with Rotational Symmetry

46 votes
41 answers
18k views

Draw A Sierpinski Triangle

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