Fix index off by 1

2019-09-27 14:35:28 -07:00 · 2019-09-27 14:35:28 -07:00 · 022533dc4a
commit 022533dc4a
parent 5c43ffb602
1 changed files with 2 additions and 2 deletions
--- a/qselect.py
+++ b/qselect.py
@ -7,9 +7,9 @@ def qselect(i, xs):
    left = [x for x in xs if x < pivot]
    right = [x for x in xs if x >= pivot]

-    if i > len(left):
+    if i > len(left) + 1:
        return qselect(i - len(left) - 1, right)
-    elif i == len(left):
+    elif i == len(left) + 1:
        return pivot
    else:
        return qselect(i, left)