feat(tools): 新增题目时自动生成带计时装饰器的模板文件

main.py

@@ -15,7 +15,25 @@ def add_newproblem(num: int, name: str | None = None) -> None:
     else:
         title = f"{num:04d}"
     Path(f"solutions/{title}").mkdir(parents=True, exist_ok=True)
-    Path(f"solutions/{title}/euler_{num}.py").touch()
+    file_name = f"solutions/{title}/euler_{num}.py"
+    Path(file_name).touch()
+    with open(file_name, "w") as f:
+        f.write("""'''
+
+'''
+import time
+
+
+def timer(func):
+    def wrapper(*args, **kwargs):
+        start_time = time.time()
+        result = func(*args, **kwargs)
+        end_time = time.time()
+        elapsed_time = end_time - start_time
+        print(f"{func.__name__} time: {elapsed_time:.6f} seconds")
+        return result
+    return wrapper
+        """)
 
 
 @app.command("list", help="List all problems in the projecteuler repository.")