bug

src/main/java/com/aps/service/Algorithm/VariableNeighborhoodSearch.java

@@ -1189,7 +1189,8 @@ public class VariableNeighborhoodSearch {
             if (rnd.nextDouble() < 0.7) {
                 selectedOp = sortedCandidates.get(rnd.nextInt(Math.min(3, sortedCandidates.size())));
             } else {
-                selectedOp = sortedCandidates.get(3 + rnd.nextInt(sortedCandidates.size() - 3));
+                int otherCount = sortedCandidates.size() - 3;
+                selectedOp = sortedCandidates.get(3 + rnd.nextInt(otherCount));
             }
         }
 
@@ -1661,7 +1662,8 @@ public class VariableNeighborhoodSearch {
                     if (rnd.nextDouble() < 0.7) {
                         priorityGroupIndex = rnd.nextInt(Math.min(3, positionByPriority.size()));
                     } else {
-                        priorityGroupIndex = 3 + rnd.nextInt(positionByPriority.size() - 3);
+                        int otherCount = positionByPriority.size() - 3;
+                        priorityGroupIndex = 3 + rnd.nextInt(otherCount);
                     }
                 }
 
@@ -1704,7 +1706,7 @@ public class VariableNeighborhoodSearch {
             int maxAttempts = 50;
             for (int attempt = 0; attempt < maxAttempts; attempt++) {
 
-// 优先选择前面的优先级组（订单数多的），使用加权随机
+                // 优先选择前面的优先级组（订单数多的），使用加权随机
                 int priorityGroupIndex;
                 if (positionByPriority.size() <= 3) {
                     priorityGroupIndex = rnd.nextInt(positionByPriority.size());
@@ -1713,7 +1715,8 @@ public class VariableNeighborhoodSearch {
                     if (rnd.nextDouble() < 0.7) {
                         priorityGroupIndex = rnd.nextInt(Math.min(3, positionByPriority.size()));
                     } else {
-                        priorityGroupIndex = 3 + rnd.nextInt(positionByPriority.size() - 3);
+                        int otherCount = positionByPriority.size() - 3;
+                        priorityGroupIndex = 3 + rnd.nextInt(otherCount);
                     }
                 }
 
@@ -1785,7 +1788,8 @@ public class VariableNeighborhoodSearch {
                     if (rnd.nextDouble() < 0.7) {
                         priorityGroupIndex = rnd.nextInt(Math.min(3, positionByPriority.size()));
                     } else {
-                        priorityGroupIndex = 3 + rnd.nextInt(positionByPriority.size() - 3);
+                        int otherCount = positionByPriority.size() - 3;
+                        priorityGroupIndex = 3 + rnd.nextInt(otherCount);
                     }
                 }