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