C#程序查找频率最高的元素
假设字符串如下 −
String s = "HeathLedger!";
现在创建一个新数组。
int []cal = new int[maxCHARS];
创建一个新方法,并将字符串和新数组传递到其中。找出字符的最大出现次数。
static void calculate(String s, int[] cal) { for (int i = 0; i < s.Length; i++) cal[s[i]]++; }
让我们看一下完整代码 −
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 = "thisisit!"; 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"); } } }
输出
Character i Occurrence = 3 times Character s Occurrence = 2 times Character t Occurrence = 2 times
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