tasks a-s

2013-04-10 23:57:08 -07:00 · 2013-04-10 23:57:08 -07:00 · b83f433714
commit b83f433714
parent 47bf37c096
12433 changed files with 156208 additions and 123 deletions
--- a/Task/Run-length-encoding/Maxima/run-length-encoding.maxima
+++ b/Task/Run-length-encoding/Maxima/run-length-encoding.maxima
@ -0,0 +1,9 @@
+rle(a) := block(
+   [n: slength(a), b: "", c: charat(a, 1), k: 1],
+   for i from 2 thru n do
+      if cequal(c, charat(a, i)) then k: k + 1 else (b: sconcat(b, k, c), c: charat(a, i), k: 1),
+   sconcat(b, k, c)
+)$
+
+rle("WWWWWWWWWWWWBWWWWWWWWWWWWBBBWWWWWWWWWWWWWWWWWWWWWWWWBWWWWWWWWWWWWWW");
+"12W1B12W3B24W1B14W"