优化代码：rest方法

src/main/java/com/dota/Main.java

@@ -4,8 +4,7 @@ import com.dota.domain.Doctor;
 import com.dota.domain.Week;
 import com.dota.domain.WorkEnum;
 
-import java.util.ArrayList;
+import java.util.*;
-import java.util.Arrays;
 
 public class Main {
     static Doctor gl;
@@ -104,26 +103,35 @@ public class Main {
         }
     }
 
-    record Rest(int day, int cnt) {
+    static class Rest {
+        int day;
+        int cnt;
+        public Rest(int day, int cnt){
+            this.day = day;
+            this.cnt = cnt;
+        }
     }
 
     // 给有调休的安排休息
     // 保证同一组必须有一个在
     static void rest(Doctor[] doctors) {
-        var list = new ArrayList<Rest>();
+        var list = new Rest[5];
         for (int i = 0; i < 5; i++) {
-            list.add(new Rest(i, 0));
+            list[i] = new Rest(i, 0);
         }
 
         for (Doctor doctor : doctors) {
             for (int i = 0; i < 5; i++) {
                 if (doctor.works[i] == WorkEnum.DUTY || doctor.works[i] == WorkEnum.WORK) {
-                    list.set(i, new Rest(i, list.get(i).cnt + 1));
+                    list[i].cnt++;
                 }
             }
         }
 
-        list.sort((a, b) -> b.cnt - a.cnt);
+        var queue = new PriorityQueue<Rest>((a,b)->b.cnt-a.cnt);
+        for (Rest rest : list) {
+            queue.offer(rest);
+        }
 
         for (Doctor doctor : doctors) {
             if (doctor.restCount == 0) {
@@ -131,18 +139,16 @@ public class Main {
             }
 
             int i = 0;
-            int j = 0;
+            var temp = new ArrayList<Rest>();
             while (i < doctor.restCount) {
-                Rest r = list.get(j++);
+                Rest r = queue.poll();
                 if (checkRest(r.day, doctor, doctors)) {
-                    j = 0;
                     doctor.works[r.day] = WorkEnum.REST;
                     i++;
-                    list.add(new Rest(r.day, r.cnt - 1));
-                    list.remove(r);
-                    list.sort((a, b) -> b.cnt - a.cnt);
                 }
+                temp.add(r);
             }
+            queue.addAll(temp);
         }
     }