feat(scripts): add clean_submit_code script and claude permissions

Author: lzwjava

.claude/settings.local.json

@@ -0,0 +1,8 @@
+{
+  "permissions": {
+    "allow": [
+      "Bash(chmod:*)",
+      "Bash(\"/Users/lzwjava/projects/algorithm-solutions/scripts/clean_submit_code.py\")"
+    ]
+  }
+}

scripts/clean_submit_code.py

@@ -0,0 +1,48 @@
+#!/usr/bin/env python3
+import sys
+import re
+import subprocess
+import textwrap
+
+def main():
+    try:
+        code = subprocess.check_output(['pbpaste']).decode('utf-8')
+    except Exception as e:
+        print(f"Failed to read pasteboard: {e}", file=sys.stderr)
+        sys.exit(1)
+
+    # Clean trailing whitespace from each line
+    lines = [line.rstrip() for line in code.splitlines()]
+    code = '\n'.join(lines) + '\n'
+
+    # Dedent the code to fix indentation issues
+    try:
+        code = textwrap.dedent(code)
+    except:
+        pass  # Ignore if dedent fails
+
+    # Check if it's Java code
+    if 'public class' not in code:
+        print('Not Java code')
+        sys.exit(1)
+
+
+    # Find and rename class (MainPro, MainPlus, etc. to Main)
+    match = re.search(r'public\s+class\s+(\w+)', code)
+    if match:
+        old_class = match.group(1)
+        if old_class.startswith('Main') and old_class != 'Main' and len(old_class) > 4:
+            code = re.sub(r'\b' + re.escape(old_class) + r'\b', 'Main', code)
+            print(f'Renamed {old_class} to Main')
+
+    # Copy cleaned code back to pasteboard
+    try:
+        subprocess.run(['pbcopy'], input=code.encode('utf-8'), check=True)
+    except Exception as e:
+        print(f"Failed to write to pasteboard: {e}", file=sys.stderr)
+        sys.exit(1)
+
+    print('The code is adjusted, please submit')
+
+if __name__ == '__main__':
+    main()

src/main/java/com/lzw/solutions/codeforces/p2190A/Main.java

@@ -5,7 +5,6 @@
 import java.io.InputStreamReader;
 import java.io.PrintWriter;
 import java.util.ArrayList;
-import java.util.Arrays;
 
 public class Main {
 

src/main/java/com/lzw/solutions/codeforces/p2190A/MainPro.java

@@ -4,7 +4,6 @@
 import java.io.IOException;
 import java.io.InputStreamReader;
 import java.io.PrintWriter;
-import java.util.ArrayList;
 
 public class MainPro {