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