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