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