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);
     ^~~~~~