10-26 Exercise 2: Displays the number of its digits and their sum

Question

Write a program that reads an integer (1-4 digits) and displays the number of its digits and their sum. For example, if the number is 1234, the program should display 4 and 10

寫一個輸入四位整數 輸出數字的位數和位數的總和。例如，數字是1234程式會輸出4和10。

More information about Loops here.

 

Example input:

1234

Example output:

4 10

 

Example input 2:

245

Example output:

3 11

 

Answer 1

Hidden content!
     *  ** * *

int     *   

int   * *

int ***

*** ***** ** * ***  
 *   * 
   ***   
* * *    *
*  *  * *  *
*    

     *      **  *
a=  **
 *
}


* * ****  **    ** ****    *


}

Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output

Answer 2

Hidden content!
**    *   * *****     *

int  *  *  *

int  *  

int *** 

  *****     *   ***   **   ***
  ** *    
** **** 
******* **
 ** * * 
    ***

  * * *** * * ***
a=   ***
  *
}


** **  *     *  *    


}

Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output

Answer 3

Hidden content!
 * * ** * *** *   *  

int **    *

int ** 

int  * 

   **  *     ***  **   *   *
    
*   *   
 * *   **   *
  * *    * **
* **       

 * **          ** 
a=  * 
*** 
}


* * *** *****   **    * ** 


}

Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output

Answer 4

Hidden content!
*  *   **  ***** *  *

int  ****    

int   *   

int  **

   **** * ** **     *    ***  
 ****  
*  *  **  
 *****  ** 
** ** *  **
*  * 

  ** ****     
a=  
  
}


**    *    * **  **  ** * 


}

Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output

Answer 5

Hidden content!
*  *   ** **** *  

int   *  *

int    

int * 

**  *  **   ** * **     * *   *
 *  * * 
 ***  ***
*** ***   
 *  ** ** ** * 
* ** ** 

   **   * ****  
a=   **
** 
}


 *    ****    *  *   ** 


}

Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output

Answer 6

Hidden content!
 **  **  *   *

int  ** * * 

int **** 

int * *

**** **** **  **
* **  
*  ** **
   * *   * *
*  *  *   * 
*  **  *

*    *  ***  ** 
a= **  
 ** 
}


 **** *  **   * ** ***


}

Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output

Answer 7

Hidden content!
*** * *****    *  

int ** *  

int  *  

int  *

 *  * ***  *  * *   **    *   
*  * 
**   
 *   *  * 
  * ****  *   
*  * * *

 ** *     ***** *
a=    
   *
}


* **  *  *  *** ****  **


}

Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output

Answer 8

Hidden content!
*  ***  * ** *  **

int   *  *

int   

int   

****  * *** ** ** **    *
   ** 
*  *  *
*   ** *** 
 * ** * * *
 *   *

**  *  * * ****
a= * *
* 
}


   *** * *** **  **  **   


}

Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output

Answer 9

Hidden content!
#include<stdio.h>
int main()
{
*     ***  * ** **  *  ***  ** n,digits = 0,sum = 0;
** *  * **   * **  * ***   * **   * ** * *  *********   * 
        ****  **   * ** * **  {
 ****    ****   **** ** **    **** ***  *** *  *  *** * *   *    
     ** * ** ** * ******   *  *  **** ** *  *** ** *  
  * * * *  ** * ***** **** *    *** * **   ** **** **** **   
**  *  *** * * ** * * *   * * **  while(n > 0);
  *  ***** *    *     *  *  *   ** *** * d\n",digits,sum);
}

Comments

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output

Answer 10

Hidden content!
#include<stdio.h>
int main()
{
 * * * *     * **    *   ** **   n,digits = 0,sum = 0;
** **  *** * * * * *** * ** * ** *  *      **********  * 
* **  *  **     ** *** *  ******* {
   ***  * **   *      ** ** *  **   *** *  *    * ****** **   * *    
**** *   **   *   ** ** * ***  ** * *    * * ****   * *** *** *
* **   ** * * **** *****    * ****** ** * * ** **  ** ****   *  * *
    * * **** ****  * ****   * while(n > 0);
 *  **** **  *  ******  *     *     ** d\n",digits,sum);

Comments

prog.c: In function 'main':
prog.c:11:5: error: expected declaration or statement at end of input
     printf("%d% d\n",digits,sum);
     ^~~~~~