如何使用 C# 在字串中列印重複的字元?
設定字元的最大值。
static int maxCHARS = 256;
現在顯示字串中的重複字元。
String s = "Welcometomywebsite!"; int []cal = new int[maxCHARS]; calculate(s, cal); for (int i = 0; i < maxCHARS; i++) if(cal[i] > 1) { Console.WriteLine("Character "+(char)i); Console.WriteLine("Occurrence = " + cal[i] + " times"); }
上面,我們已經計算出字元的頻率。以下完整示例中顯示了相同的內容 -
示例
using System; class Demo { static int maxCHARS = 256; static void calculate(String s, int[] cal) { for (int i = 0; i < s.Length; i++) cal[s[i]]++; } public static void Main() { String s = "Welcometomywebsite!"; int []cal = new int[maxCHARS]; calculate(s, cal); for (int i = 0; i < maxCHARS; i++) if(cal[i] > 1) { Console.WriteLine("Character "+(char)i); Console.WriteLine("Occurrence = " + cal[i] + " times"); } } }
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