September 2017 Update

2017-09-23 10:01:46 +02:00 · 2017-09-23 10:01:46 +02:00 · ba8067c3b7
commit ba8067c3b7
parent bba7bfd280
14570 changed files with 153136 additions and 63871 deletions
--- a/Task/Knuth-shuffle/Sidef/knuth-shuffle.sidef
+++ b/Task/Knuth-shuffle/Sidef/knuth-shuffle.sidef
@ -1,11 +1,9 @@
-func shuffle(a) {
-
-    { |n|
-        var k = (n+1 -> irand);
-        k == n || (a[k, n] = a[n, k]);
-    } * a.end;
-
-    return a;
+func knuth_shuffle(a) {
+    for i (a.len ^.. 1) {
+        var j = i.irand
+        a[i, j] = a[j, i]
+    }
+    return a
 }

-say shuffle(@(1..10));
+say knuth_shuffle(@(1..10))