feat(scripts): add solution scaffolding script

Author: lzwjava

create_solution.py

@@ -0,0 +1,68 @@
+#!/usr/bin/env python3
+import sys
+import os
+import shutil
+import subprocess
+
+def main():
+    if len(sys.argv) != 3:
+        print("Usage: python create_solution.py <platform> <problem_id>")
+        print("Example: python create_solution.py uva 12166")
+        print("platform: uva or codeforces")
+        sys.exit(1)
+
+    platform = sys.argv[1]
+    problem_id = sys.argv[2].strip()
+
+    if platform not in ['uva', 'codeforces']:
+        print("Invalid platform. Use 'uva' or 'codeforces'.")
+        sys.exit(1)
+
+    # Assume running from project root
+    base_dir = os.getcwd()
+    src_java = os.path.join(base_dir, 'src', 'main', 'java', 'com', 'lzw', 'solutions', 'sample', 'pjava_sample_buf', 'Main.java')
+
+    if not os.path.exists(src_java):
+        print(f"Template not found: {src_java}")
+        sys.exit(1)
+
+    target_java_dir = os.path.join(base_dir, 'src', 'main', 'java', 'com', 'lzw', 'solutions', platform, f'p{problem_id}')
+    target_java = os.path.join(target_java_dir, 'Main.java')
+
+    os.makedirs(target_java_dir, exist_ok=True)
+
+    # Copy and update package
+    shutil.copy2(src_java, target_java)
+
+    with open(target_java, 'r') as f:
+        content = f.read()
+
+    old_package = 'com.lzw.solutions.sample.pjava_sample_buf'
+    new_package = f'com.lzw.solutions.{platform}.p{problem_id}'
+    content = content.replace(old_package, new_package)
+
+    with open(target_java, 'w') as f:
+        f.write(content)
+
+    # Resources dir for 1.in
+    resources_dir = os.path.join(base_dir, 'src', 'main', 'resources', platform, f'p{problem_id}')
+    input_file = os.path.join(resources_dir, '1.in')
+    os.makedirs(resources_dir, exist_ok=True)
+
+    # Read from macOS clipboard (pbpaste)
+    try:
+        clipboard_content = subprocess.check_output(['pbpaste']).decode('utf-8').strip()
+        if clipboard_content:
+            with open(input_file, 'w') as f:
+                f.write(clipboard_content)
+            print(f"✅ Created {target_java}")
+            print(f"✅ Created {input_file} from clipboard")
+        else:
+            print(f"⚠️  Created {target_java}, but clipboard empty - add 1.in manually")
+    except subprocess.CalledProcessError:
+        print(f"❌ Failed to read clipboard. Created {target_java}, add {input_file} manually.")
+    except Exception as e:
+        print(f"❌ Error with clipboard: {e}. Created {target_java}, add {input_file} manually.")
+
+if __name__ == '__main__':
+    main()