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!
#include<stdio.h>

int main() {
* *    * *    * *****   **    a, a2, b1, b2, b3, b4, i, sum;
    **    *** ** * *  * *   *  *   **
 *  * ** *   **    * * *   **   ****  &a);
 * ***  *  ** *   **** *   *  **
*   * ** ** *  * *   * * **    ***** *  {
*  ***    ***  **   * * *     * * * **  *** **     * **  *   
  ** ******  *** * * ** *  ****  **  *  *  ** ***   *   *  break;
* **** **  *   * ***  *   **        ****  *   * * *  *  
    }
   *    **  ***** **  *  **   ** *    *** ", i);

*  ** ** *  * *   * * * ** ** ***  {
 ****  ****  ***   * *   ****     ** **   * ***  ***      *** 
* * *  * **  * **  *  ***** ****    *   *    *  ** ****   *   * ** 
       ******  ****  * * * *     * * * *   *** ************  ******  *    *    
 ** * ***** * *   ** *   **    **  **  ** ** * *  * ****  ** ***  * ***  * * 
    }
** **** ***    *** **    **   if(i==3) {
      * ** ** *****  * *   *  * * *    *** ** ***       * * ** 
*   * *  ** *** ** ** * *  * * ** *       * ****  *  *  *  * **  
 *   *  ***  *     **  ** ** **    ** *  * ***  ***  *     * *   *** *** *  
    }
****  * ***  * ** **   ** *** *** *** if(i==2) {
* *  ** **** **   ** **   * *****    *     ** ***   *     **     
**  *   * **  *  *  * *  ** ** * ***   *      ** **** ****   * *  ***
    }
  *  * *    *** * **  ** ******     if(i==1) {
* *   ***  *  *****     *  * *** ***  ** * ***** ** 
    }
 * ***  * *****   **   *  ** **** 
 **   * ************* ** * * ***  ***  * %d %d %d", b4, b3, b2, b1);
* *****    *   *  * ***   **  ***** *  **** * *  * sum);
}

Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output

---

can you use loop to solve this question?

Answer 2

Hidden content!
#include <stdio.h>
int main()
{
***   *  *   **  **** ******  n,count = 0, sum=0;

*    * ** *** * * ** *   * * * *  * * ***  ** &n);
* ** **    **  * *  ** *     ** *** != 0)
  ** ******* **   * ** ***
*** *  * * * ***** * *     *** ***   * *    * *      ******
*  ** ****** *  * *** **  *   **** **        * *    *   * ***
 * *  **   ***  *** *  ** **   *** *  *** *  **    **** **
* * * *  *** ** *** **   * *

 **** **   * *  * * ***  * * *  **  * %d", count, sum);

*** **  **   * * *  **  ** ** 0;
}

Comments

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output

---

-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output

Answer 3

Hidden content!
  *  * *   * *  * **** ** ***


** *     

{
   *** b, c, d, e, f, g;
 *  *  *   * *   * * ** **
*   *
**  *  *  **
{
* 
* ***
}
  ** 
  ** *  ** 
*****   * *
 *   
 * * *  ** * * *** ***   **
***** 0;
}

Comments

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output

---

-----------Re-judge-----------
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output

Answer 4

Hidden content!
#include<stdio.h>

int main() {
    int a, a2, b[5], i, j, sum;
     ***  *    ***   * * *  * **** *** **  **   *    &a);
 **  *  **** *  *      *  *** 
* *  *     **  ****  ** *  *** ** * *  {
 *  *     ** **    * ** * ******   **  * **** *** **  ***** *  ** *
  * * *** *  **  **   *    **********    * *  ** *   *** * break;
 **    *** ***** * **     *  *** ** * *** **   *  * * 
    }
 ** ** * ****    *** *    *  * * *  *****  ", i);

** ***    **  * * * **   * *** * {
* ****** *   ***       ****  * **  * * * ****   *****  * *    ** ** 
 ** *      ** *****      * *    * *  **  **    * * **      * *****    
   ** *   ** **** ***  * * * ** * * ********  *  * ** * ** ** **  **    **** 
*  * ***   * * *  * * ***     ** **  *** *  * * *  ***** **  **  ** *  * ** * *   * 
    }
 *  ** ***  ****** ** ***   * * if(i==3) {
  *  * *    * **** ** **     *  ****   **** * * *** * ***  
  * *   *   *   *  ** *** **** *    *  * * ** *   **  * *** *   ** *    
* **  *** ****  * **    *   *  * *  *  ***    * **   ** *    *** **** ** *
    }
 *     * *   * ******  *** ** * if(i==2) {
  **  **      ****  *   *** ***  * ***      *         ** 
***** ***    ***      **  *  *    *  *** ***      * ** *** **** * *
    }
***    * ***** *  *  ** *  * if(i==1) {
**   * * * **  *   * *** *  ** *** **** *         * * *  * *  
    }
  * *** **  ** ** * * *  ** ** ***   *     *
**      *  ***  *  **    * ** ** **  **** * * sum);
}

Comments

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output

---

prog.c: In function 'main':
prog.c:4:25: error: unused variable 'j' [-Werror=unused-variable]
     int a, a2, b[5], i, j, sum;
                         ^
cc1: all warnings being treated as errors

Answer 5

Hidden content!
#include<stdio.h>
int main()
{
 *** *** * *** *** ***    n,digits = 0,sum = 0;
*   * * **     * * ** *  *  * ****   **     * ****  * 
  *  * **      * **   ***   *   {
  * * * * *  * ***   *       ** **   **  *** ***  * *    = n%10;
 ** *** * * *** ***  *     *** * **    *   * * *  * **  = sum + digits;
 *    * * **  * *   ***    * *   * **   *    *** ** *  *
 **   * *  ******  *  * *  *     **   **  *****    ** *   
* **   ****  **   * ***   while (n > 0);
** **  * *    *     **   * * *  **     *** **** * **  *  *   
 ** *  * *  **** * **     * ** *    *    d\n",sum);
}

Comments

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output

---

-----------Re-judge-----------
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output

Answer 6

Hidden content!
#include <stdio.h>
int main(void)
{
*   * * * ** *         *     * * * a,digits=0,sum=0;
* ** *     **      * ** * ************ ***  ** *   * ** *
* * ***  **  *  ****     {
 *     *** *  * *  *  ** ** *  * *  ****   *  *   *** * **   **   
* *** * * *  ** *** * *  ****  ** **  **    *** * **
* ***  **  *  ***** *  *  * * *   *** ** * * *  **** * ****  *
* *    ** **   *  ***   *** *
 *  * ** *****   *** *  * * * (a>0);

   * ****  *     *   **  * * *   ** *   ***  **  %d",digits,sum);



*   *  **    * * * *  *   *****  ** 0;
}

Comments

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output

---

-----------Re-judge-----------
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output

Answer 7

Hidden content!
** **   *  ****  **  **

int  *    
{
   *  * * ***      **    **  ***   **
*** * * *  *** **   ** * *    *  *      = 0;
*   * * *  ***   *   *  **  
*    ** * *  **   *   *  **** **       ******  * ***  **
sum ****** 0;
do 
{sum += n % 10;  *** 
n /= 10;
*      *
} 
*    
 *  (n ** * * * 0);
{
   *** ***   ***     ******** 
}
 ***** * * **  * **     ****      * (0);
}

Comments

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output

---

-----------Re-judge-----------
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output

Answer 8

Hidden content!
#include <stdio.h>

int main()
{
 ****   *** ******  * ***** **  *  ** *  num,digits,sum=0;
  ** * *    * **     *    * *   ** ***  * * ***  ** ** *   ***
 *  *  *         * * *******  ** * ** *   **  **  *****  **  **** *  * **** *    &num);
 *  *  ** * * *    *  **  *  ** ***  * * 
    {
 **  * **** *   * ****   **    *  * *  ** * ***  ** **  *****  *   += num % 10;
**  **  *****    **  ***    *   ** * * *  *****   * * ***** **  **** * * * *    = num / 10;
     *    * **  ** * ** **   * *  **  * *  * **   * * **** **   *  *  **** ** *   
******* ***    * ****** *** *  

 *    **  * * *    * ***  *    * * %d", digits,sum);

 ***  *  **  * * *   *   ** *** * 0;
}

Comments

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output

---

-----------Re-judge-----------
Case 0: Wrong output
Case 1: Wrong output
Case 2: Correct output
Case 3: Correct output

Answer 9

Hidden content!
#include  * *** ****** ***

int main()
{
   * **   ** *  ** *    ** *   * n,count = 0, sum=0;

 *   **** **  *   ****   **  * *** *    *** **   ** &n);
 * **  *** ** * * *  *****  **  *  != 0)
   *  *****  ** * ***   
 * *  ***** *  *** ***  ***** ** **  ***        *     **
 *  ***   * * ***      *    **  * *  *     *  * * *   * += n%10;
  ***** *   * * ***  *  **  * *   * ** * * ***  *** *  * /= 10;

    * **** * ***     * **

 *   **  *  **   *  **** ****** ** * %d", count, sum);

** **  ***    ***   *  *     *  *  * * 0;
}

Comments

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output

Answer 10

Hidden content!
#include <stdio.h>
#include <stdlib.h>

int main()
{
 *** **  **** ** ****** a,b,i,max;
** *   ***  *  * *      *     * **     *   * %d",&a,&b);
*  *  **  ** * ***  * *** **** ** **  * ** * ****   *   *  ** *** 
**  *   * *** ** ** *    *
**     * * *****   *** **** *   * ****   **   *  ***    * * ** *  *   *****   
*** **** ***  * * * *  ** *  * *   *   ***    ****  
*   *  ***  * **** * 
 **  *****  * **     *   ***    **  *  *    *  * *** 
* *** **  *  *  *    **** **  0;
}

Comments

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output

---

-----------Re-judge-----------
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output