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