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);
     ^~~~~~