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