[20250910] PGM / LV2 / 마법의 엘리베이터 / 김수연

suyeun84/202509/10 PGM LV2 마법의 엘리베이터.md

@@ -0,0 +1,24 @@
+```java
+class Solution {
+    public int solution(int storey) {
+        int answer = 0;
+        while(storey > 0) {
+            int temp = storey % 10;
+            storey /= 10;
+
+            if (temp > 5) {
+                answer += (10-temp);
+                storey++;
+            } else if (temp < 5) {
+                answer += temp;
+            } else if (storey % 10 >= 5) {
+                answer += 5;
+                storey++;
+            } else {
+                answer += 5;
+            }
+        }
+        return answer;
+    }
+}
+```