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