blob: 912db70f0a23af988edec68327a22b5f923f4585 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
|
digits =: 10&#.^:_1
reverse =: |.&.digits
next =: reverse+]
palindrome =: reverse=]
isLychrel =: {{
r =. 1
for_i. i.50 do.
if. palindrome y =. next y do.
r =. 0
break.
end.
end.
r
}}
countBelow =: {{ +/isLychrel"0 i.y}}
|