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| author | Peter Mikkelsen <petermikkelsen10@gmail.com> | 2021-10-02 00:42:16 +0200 |
|---|---|---|
| committer | Peter Mikkelsen <petermikkelsen10@gmail.com> | 2021-10-02 00:42:16 +0200 |
| commit | f7c311839b9aacf8367c3056c007988ca5154889 (patch) | |
| tree | 9f188df39b8313367afc495c0caa3e20ff1a42a2 | |
| parent | e4cefd3601969c8489ad068907ddc8b9d6bca180 (diff) | |
Problem 92
| -rw-r--r-- | problem92.ijs | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/problem92.ijs b/problem92.ijs new file mode 100644 index 0000000..faa887e --- /dev/null +++ b/problem92.ijs @@ -0,0 +1,5 @@ +digits =: 10&#.^:_1 +next =: +/@:*:@:digits +chain =: next`]@.(=&89) +endNum =: (chain^:_)"0 +problem92 =: +/89=endNum i.1e7 NB. Takes about 60 seconds on my machine |