1 files changed, 0 insertions, 33 deletions
diff --git a/leetcode/lc-36-valid-sudoku.rkt b/leetcode/lc-36-valid-sudoku.rkt
deleted file mode 100644
index 915b533..0000000
--- a/leetcode/lc-36-valid-sudoku.rkt
+++ /dev/null
@@ -1,33 +0,0 @@
-#lang racket
-
-(define (pos board r c)
-  (list-ref (list-ref board r) c))
-
-(define (scan-for-duplicates array)
-  (andmap (λ (row) (not (check-duplicates row))) 
-          (map (curry filter-not (curry equal? ".")) array)))
-
-(define (check-rows board)
-  (scan-for-duplicates board))
-
-(define (check-cols board)
-  (scan-for-duplicates (apply map list board)))
-
-(define (check-boxes board)
-  (define boxes-to-lists
-    (for*/list ([r (in-list '(0 3 6))]
-                [c (in-list '(0 3 6))])
-      (for*/list ([box-r (in-range r (+ r 3))]
-                  [box-c (in-range c (+ c 3))]
-                  #:unless (equal? "." (pos board box-r box-c)))
-        (pos board box-r box-c))))
-  (scan-for-duplicates boxes-to-lists))
-
-(define/contract (is-valid-sudoku board)
-  (-> (listof (listof string?)) boolean?)
-  (and (check-rows board)
-       (check-cols board)
-       (check-boxes board)))
-
-(define valid-sudoku '[["5" "3" "." "." "7" "." "." "." "."] ["6" "." "." "1" "9" "5" "." "." "."] ["." "9" "8" "." "." "." "." "6" "."] ["8" "." "." "." "6" "." "." "." "3"] ["4" "." "." "8" "." "3" "." "." "1"] ["7" "." "." "." "2" "." "." "." "6"] ["." "6" "." "." "." "." "2" "8" "."] ["." "." "." "4" "1" "9" "." "." "5"] ["." "." "." "." "8" "." "." "7" "9"]]) 
-(define invalid-sudoku '[["8" "3" "." "." "7" "." "." "." "."] ["6" "." "." "1" "9" "5" "." "." "."] ["." "9" "8" "." "." "." "." "6" "."] ["8" "." "." "." "6" "." "." "." "3"] ["4" "." "." "8" "." "3" "." "." "1"] ["7" "." "." "." "2" "." "." "." "6"] ["." "6" "." "." "." "." "2" "8" "."] ["." "." "." "4" "1" "9" "." "." "5"] ["." "." "." "." "8" "." "." "7" "9"]])
-\ No newline at end of file