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| -rw-r--r-- | problem37.ijs | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/problem37.ijs b/problem37.ijs new file mode 100644 index 0000000..bebb9de --- /dev/null +++ b/problem37.ijs @@ -0,0 +1,7 @@ +enc =: 10&#. +digits =: enc^:_1 +truncs =: monad : '(1-#y)+i._1+2*#y' +truncations =: monad : '; enc@:}.&y each truncs y' +truncatablePrime =: monad : '*./1&p: truncations digits y'"0 +primes =: 4}.p:i.1e5 NB. A good guess :) +problem37 =: +/(truncatablePrime#]) primes |