不使用条件语句打印“偶数”或“奇数”-yiteyi-C++库

编写一个程序，接受用户输入的数字，如果输入的数字是偶数，则打印“偶数”，如果输入的数字是奇数，则打印“奇数”。不允许使用任何比较（=、、…等）或条件语句（if、else、switch、三元运算符等）。

null

方法1 下面是一个棘手的代码，可以用来打印“偶数”或“奇数”相应。

C++

                         #include <iostream>                       
           
                         using                                     namespace                                     std;                       
           
                         int                                     main()                       
                         {                       
                                                 char                                     arr[2][5] = {                                     "Even"                                     ,                                     "Odd"                                     };                       
                                                 int                                     no;                       
                                                 cout <<                                     "Enter a number: "                                     ;                       
                                                 cin >> no;                       
                                                 cout << arr[no % 2];                       
                                                 getchar                                     ();                       
                                                 return                                     0;                       
                         }                       

JAVA

                         import                                     java.util.Scanner;                       
                         class                                     GFG                       
                         {                       
                                                 public                                     static                                     void                                     main(String[] args)                       
                                                 {                       
                                   
                                                 String[] arr = {                                     "Even"                                     ,                                     "Odd"                                     };                       
                                   
                                                 Scanner s =                                     new                                     Scanner(System.in);                       
                                   
                                                 System.out.print(                                     "Enter the number: "                                     );                       
                                                 int                                     no = s.nextInt();                       
           
                                                 System.out.println(arr[no%                                     2                                     ]);                       
                                                 }                       
                         }                       
           
                         // This code is contributed by divyeshrabadiya07.                       

蟒蛇3

arr = [ "Even" , "Odd" ]

print ( "Enter the number" )

no = int ( input ())

print (arr[no % 2 ])

C#

                         using                                     System;                       
                         class                                     GFG {                       
                                                 static                                     void                                     Main() {                       
                                                 string                                     [] arr = {                                     "Even"                                     ,                                     "Odd"                                     };                       
                                   
                                                 Console.Write(                                     "Enter the number: "                                     );                       
                                   
                                                 string                                     val;                       
                                                 val = Console.ReadLine();                       
                                                 int                                     no = Convert.ToInt32(val);                       
           
                                                 Console.WriteLine(arr[no%2]);                       
                                                 }                       
                         }                       
           
                         // This code is contributed by divyesh072019.                       

PHP

                         <?php                       
                         $arr                                     = [                                     "Even"                                     ,                                     "Odd"                                     ];                       
                         $input                                     = 5;                       
                         echo                                     (                                     $arr                                     [                                     $input                                     % 2]);                       
           
                         // This code is contributed                       
                         // by Aman ojha                       
                         ?>                       

Javascript

                         <script>                       
           
                                                 let arr = [                                     "Even"                                     ,                                     "Odd"                                     ];                       
                                                 let no = prompt(                                     "Enter a number: "                                     );                       
                                   
                                                 document.write(arr[no % 2]);                       
                                   
                                                 // This code is contributed by suresh07                       
                                   
                         </script>                       

方法2 下面是另一个棘手的代码，可以用来相应地打印“偶数”或“奇数”。幸亏大学生感谢你提出这种方法。

C++

                         #include<stdio.h>                       
                         int                                     main()                       
                         {                       
                                                 int                                     no;                       
                                                 printf                                     (                                     "Enter a no: "                                     );                       
                                                 scanf                                     (                                     "%d"                                     , &no);                       
                                                 (no & 1 &&                                     printf                                     (                                     "odd"                                     ))||                                     printf                                     (                                     "even"                                     );                       
                                                 return                                     0;                       
                         }                       