1 files changed, 12 insertions, 0 deletions
diff --git a/racket/leetcode/lc-717-1bit-and-2bit.rkt b/racket/leetcode/lc-717-1bit-and-2bit.rkt
new file mode 100644
index 0000000..d9988ec
--- /dev/null
+++ b/racket/leetcode/lc-717-1bit-and-2bit.rkt
@@ -0,0 +1,12 @@
+#lang racket
+
+(define/contract (is-one-bit-character bits)
+  (-> (listof exact-integer?) boolean?)
+  (define/match (check-next-character x . xs)
+    [(0 '())          #true]
+    [(1 (list _ ..2)) (apply check-next-character (cdr xs))]
+    [(0 (list _ ..1)) (apply check-next-character xs)]
+    [(_ _)            #false])
+  (apply check-next-character bits))
+
+(is-one-bit-character (list 1 1 0 1 0))
+\ No newline at end of file