string s = Console.ReadLine();
string s = Console.ReadLine();
string [] arr= s.Split(' ');返還由' '隔開的字符串
int[] arr1 = new int[9];
for (int i = 0; i < arr.Length; i++)
{
arr1[i] = Convert.ToInt32(arr[i]);
Convert 將一個基本數據類型轉化為另一基本數據類型
}
for (int i = 0; i < arr1.Length; i++)
{
? ?if (arr1[0]<arr1[i])
{
arr1[0]=arr1[i];
}
console.wright(arr1[0]);