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);
     ^~~~~~