C# 数组旋转优化：使用 StringBuilder 提高输入输出效率

using System; using System.Text;

public class B3688{ private static void Main(){ int n = int.Parse(Console.ReadLine()); int[] a = new int[n]; string[] input = Console.ReadLine().Split(' '); for (int i = 0; i < n; i++) a[i] = int.Parse(input[i]); int[] rotatedArray = new int[n]; StringBuilder sb = new StringBuilder(); do{ Array.Copy(a, 0, rotatedArray, 1, n - 1); rotatedArray[0] = a[n - 1]; Array.Copy(rotatedArray, a, n); for (int i = 0; i < n; i++) sb.Append(a[i]).Append(' '); sb.AppendLine(); } while (a[n - 1] != n);

    Console.Write(sb.ToString());
}

}