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| author | Peter Mikkelsen <petermikkelsen10@gmail.com> | 2022-03-02 20:37:54 +0100 |
|---|---|---|
| committer | Peter Mikkelsen <petermikkelsen10@gmail.com> | 2022-03-02 20:37:54 +0100 |
| commit | 89a77a459fc3e497c3fc29742e540aa19ced85f0 (patch) | |
| tree | 50fd2654cd8b0c8a6226efd8e4009ce78e6b6cbe /problem81.ijs | |
| parent | a59b40cb74f4efd699ca73ec37cef9e9262ffc0b (diff) | |
Solve problem 81
Diffstat (limited to 'problem81.ijs')
| -rw-r--r-- | problem81.ijs | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/problem81.ijs b/problem81.ijs new file mode 100644 index 0000000..7d89276 --- /dev/null +++ b/problem81.ijs @@ -0,0 +1,11 @@ +solve =: {{ + data =. ;: fread y + mat =. (2#%:-:#data)$".>{.|:(2,~-:#data)$data + diags =. </.mat + k =. <.-:#diags + 'a b' =. (k{.diags);<k}.diags + step =. {{<<./>x+each {{(_,y);y,_}}>y}} + <./>(step/b) step step/|.a +}} + +problem81 =: solve 'p081_matrix.txt' |