给定字符串字符的ASCII值的平均值-yiteyi-C++库

给定一个字符串，任务是找到字符串中字符的ASCII值的平均值。

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例如：

Input: str =  "for"Output: 109'f'= 102, 'o' = 111, 'r' = 114(102 + 111 + 114)/3 = 109 Input: str = "geeks" Output: 105

资料来源： 微软实习经验

方法： 开始遍历字符串中的字符，并将其ASCII值添加到变量中。最后，将字符的ASCII值之和除以字符串长度，即字符串中的字符总数。

C++

                         // C++ code to find average                       
                         // of ASCII characters                       
                         #include <bits/stdc++.h>                       
                         using                                     namespace                                     std;                       
           
                         // Function to find average                       
                         // of ASCII value of chars                       
                         int                                     averageValue(string s)                       
                         {                       
                                                 int                                     sum_char = 0;                       
           
                                                 // loop to sum the ascii                       
                                                 // value of chars                       
                                                 for                                     (                                     int                                     i = 0; i < s.length(); i++)                       
                                                 {                       
                                                 sum_char += (                                     int                                     )s[i];                       
                                                 }                       
           
                                                 // Returning average of chars                       
                                                 return                                     sum_char / s.length();                       
                         }                       
           
                         // Driver code                       
                         int                                     main()                       
                         {                       
                                                 string s =                                     "GeeksforGeeks"                                     ;                       
           
                                                 cout << averageValue(s);                       
                                                 return                                     0;                       
                         }                       
           
                         // This code is contributed                       
                         // by Subhadeep                       

JAVA

                         // Java code to find average of ASCII characters                       
                         import                                     java.io.*;                       
           
                         class                                     GFG {                       
           
                                                 // Function to find average of ASCII value of chars                       
                                                 public                                     static                                     int                                     averageValue(String s)                       
                                                 {                       
                                                 int                                     sum_char =                                     0                                     ;                       
           
                                                 // loop to sum the ascii value of chars                       
                                                 for                                     (                                     int                                     i =                                     0                                     ; i < s.length(); i++) {                       
                                                 sum_char += (                                     int                                     )s.charAt(i);                       
                                                 }                       
           
                                                 // Returning average of chars                       
                                                 return                                     sum_char / s.length();                       
                                                 }                       
           
                                                 // Driver code                       
                                                 public                                     static                                     void                                     main(String[] args)                       
                                                 {                       
           
                                                 String s =                                     "GeeksforGeeks"                                     ;                       
           
                                                 System.out.println(averageValue(s));                       
                                                 }                       
                         }                       

Python 3

                         # Python 3 code to find average                       
                         # of ASCII characters                       
           
                         # Function to find average                       
                         # of ASCII value of chars                       
                         def                                     averageValue(s):                       
                                                 sum_char                                     =                                     0                       
           
                                                 # loop to sum the ascii                       
                                                 # value of chars                       
                                                 for                                     i                                     in                                     range                                     (                                     len                                     (s)):                       
                                                 sum_char                                     +                                     =                                     ord                                     (s[i])                       
           
                                                 # Returning average of chars                       
                                                 return                                     sum_char                                     /                                     /                                     len                                     (s)                       
           
                         # Driver code                       
                         if                                     __name__                                     =                                     =                                     "__main__"                                     :                       
                                   
                                                 s                                     =                                     "GeeksforGeeks"                       
           
                                                 print                                     (averageValue(s))                       
           
                         # This code is contributed by ita_c                       

C#

                         // C# code to find average of                       
                         // ASCII characters                       
                         using                                     System;                       
           
                         class                                     GFG                       
                         {                       
           
                         // Function to find average of                       
                         // ASCII value of chars                       
                         public                                     static                                     int                                     averageValue(String s)                       
                         {                       
                                                 int                                     sum_char = 0;                       
           
                                                 // loop to sum the ascii value of chars                       
                                                 for                                     (                                     int                                     i = 0; i < s.Length; i++)                       
                                                 {                       
                                                 sum_char += (                                     int                                     )s[i];                       
                                                 }                       
           
                                                 // Returning average of chars                       
                                                 return                                     sum_char / s.Length;                       
                         }                       
           
                         // Driver code                       
                         public                                     static                                     void                                     Main()                       
                         {                       
                                                 String s =                                     "GeeksforGeeks"                                     ;                       
           
                                                 Console.Write(averageValue(s));                       
                         }                       
                         }                       
           
           
                         // This code is contributed                       
                         // by PrinciRaj1992                       

PHP

                         <?php                       
                         // PHP code to find average                       
                         // of ASCII characters                       
           
                         // Function to find average                       
                         // of ASCII value of chars                       
                         function                                     averageValue(                                     $s                                     )                       
                         {                       
                                                 $sum_char                                     = 0;                       
                                   
                                                 // loop to sum the ascii                       
                                                 // value of chars                       
                                                 for                                     (                                     $i                                     = 0;                                     $i                                     <                                     strlen                                     (                                     $s                                     );                                     $i                                     ++)                       
           
                                                 {                       
                                   
                                                 $sum_char                                     += ord(                                     $s                                     [                                     $i                                     ]);                       
                                                 }                       
                                   
                                                 // Returning average of chars                       
                                                 return                                     (int)(                                     $sum_char                                     /                                     strlen                                     (                                     $s                                     ));                       
                         }                       
           
                         // Driver code                       
                         $s                                     =                                     "GeeksforGeeks"                                     ;                       
           
                         echo                                     averageValue(                                     $s                                     );                       
           
                         // This code is contributed                       
                         // by 29AjayKumar                       
                         ?>                       

Javascript

                         <script>                       
                         // Javascript code to find average of ASCII characters                       
                                   
                                                 // Function to find average of ASCII value of chars                       
                                                 function                                     averageValue(s)                       
                                                 {                       
                                                 let sum_char = 0;                       
                                   
                                                 // loop to sum the ascii value of chars                       
                                                 for                                     (let i = 0; i < s.length; i++) {                       
                                                 sum_char +=(s[i]).charCodeAt(0);                       
                                   
                                                 }                       
                                   
                                                 // Returning average of chars                       
                                                 return                                     Math.floor(sum_char / s.length);                       
                                                 }                       
                                   
                                                 // Driver code                       
                                                 let s =                                     "GeeksforGeeks"                                     ;                       
                                                 document.write(averageValue(s));                       
           
           
           
                         // This code is contributed by avanitrachhadiya2155                       
                         </script>                       

输出：

时间复杂性： O（l），其中l是字符串的长度。 辅助空间： O（1）

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