[20250722] BOJ / G4 / 카드 정렬하기 / 신동윤

Author: 03do-new30

03do-new30/202507/22 BOJ G4 카드 정렬하기.md

@@ -0,0 +1,24 @@
+```java
+import java.util.*;
+import java.io.*;
+
+public class Main {
+    public static void main(String[] args) throws IOException {
+        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+        int N = Integer.parseInt(br.readLine());
+        PriorityQueue<Integer> pq = new PriorityQueue<>();
+        for (int i = 0; i < N; i++) {
+            pq.offer(Integer.parseInt(br.readLine()));
+        }
+        int sum = 0;
+        while (pq.size() >= 2) {
+            int a = pq.poll();
+            int b = pq.poll();
+            pq.offer(a + b);
+            sum += a + b;
+        }
+        System.out.println(sum);
+        br.close();
+    }
+}
+```