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);
     ^~~~~~