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2013-04-11 01:07:29 -07:00 · 2013-04-11 01:07:29 -07:00 · 68f8f3e56b
commit 68f8f3e56b
parent b83f433714
14735 changed files with 178959 additions and 0 deletions
--- a/Task/Sorting-algorithms-Quicksort/R/sorting-algorithms-quicksort.r
+++ b/Task/Sorting-algorithms-Quicksort/R/sorting-algorithms-quicksort.r
@ -0,0 +1,12 @@
+qsort <- function(v) {
+  if ( length(v) > 1 )
+  {
+    pivot <- (min(v) + max(v))/2.0                            # Could also use pivot <- median(v)
+    c(qsort(v[v < pivot]), v[v == pivot], qsort(v[v > pivot]))
+  } else v
+}
+
+N <- 100
+vs <- runif(N)
+system.time(u <- qsort(vs))
+print(u)