05 2019 档案
摘要：int[] arry_new = { 3, 5, 9, 8, 10, 5, 3 }; HashSet<int> set = new HashSet<int>(); foreach (int i in arry_new) { set.Add(i); } int[] at = set.ToArray()
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摘要：1 static void Main(string[] args) 2 { 3 int a = Convert.ToInt32(Console.ReadLine()); 4 5 //求第n位数字是多少 6 Console.WriteLine(F1(a)); 7 8 ...
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摘要：string str = "abcdef 安安安"; int i = str.Length; byte[] bt = System.Text.Encoding.Default.GetBytes(str); int j = bt.Length; Console.WriteLine($"i={i},j=
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