[Codility] CyclicRotation 문제풀이

Author: limhizy15

Array/Codility_CyclicRotation.js

@@ -0,0 +1,21 @@
+/**
+ * array A, integer N
+ * rotation -> 오른쪽으로 하나씩 밀어
+ * goal: rotate array A K times
+ */
+
+function solution(A, K) {
+    const lastIndexOfA = A.length - 1
+
+    if (A.length < 1 || A % K === 0) {
+        return []
+    }
+
+    for (let i = 0; i < K; i++) {
+        A = [A[lastIndexOfA]].concat(A.slice(0, lastIndexOfA))
+    }
+
+    return A
+}
+
+console.log(solution([3, 8, 9, 7, 6], 3))