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);
     ^~~~~~