Duzy commit ze smieciami

1 files changed, 14 insertions, 0 deletions

diff --git a/semestr-2/racket/solution.rkt b/semestr-2/racket/solution.rkt
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--- /dev/null
+++ b/semestr-2/racket/solution.rkt
@@ -0,0 +1,14 @@
+#lang racket
+
+(provide heapsort) (require "leftist.rkt")
+
+(define (heapsort xs)
+  (define (create-heap xs res)
+    (if (null? xs)
+        res
+        (create-heap (cdr xs) (heap-insert (cons (car xs) (car xs)) res))))
+  (define (heap-to-list h)
+    (if (heap-empty? h)
+        null
+        (cons (elem-val (heap-min h)) (heap-to-list (heap-pop h)))))
+  (heap-to-list (create-heap xs empty-heap)))
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