diff --git "a/lkhyun/202509/07 PGM LV3 \354\225\274\352\267\274 \354\247\200\354\210\230.md" "b/lkhyun/202509/07 PGM LV3 \354\225\274\352\267\274 \354\247\200\354\210\230.md"
new file mode 100644
index 00000000..5695de76
--- /dev/null
+++ "b/lkhyun/202509/07 PGM LV3 \354\225\274\352\267\274 \354\247\200\354\210\230.md"	
@@ -0,0 +1,26 @@
+```java
+import java.util.*;
+class Solution {
+    static PriorityQueue<Integer> pq = new PriorityQueue<>((a,b) -> Integer.compare(b,a));
+    public long solution(int n, int[] works) {
+        long answer = 0;
+        for(int i : works){
+            pq.offer(i);
+        }
+        for(int i=0;i<n;i++){
+            if(!pq.isEmpty()){
+                int cur = pq.poll();
+                if(cur > 1){
+                    pq.offer(--cur);
+                }
+            }else{
+                return 0;
+            }
+        }
+        for(int i : pq){
+            answer += i*i;
+        }
+        return answer;
+    }
+}
+```