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(){
**  *  ***   ****   **  ****     i;
  *** *    * ** **  ** ** *    sum=0,counter=0;
   ** ***   **  *  *   ***** ** **   ***  **      **  * *
* **  **  *** * *     * *   {
 **         * *   *  *  *  ** *   *  ****   *      *    *   ** *
** * ***   **  ***      *  *** * *    * *  *   ****  i%10;
 * **** * **      ***  ** ** * *******   ** *     **** *  
 *** *  * ** ******  *  ** ** *** * *  ***

      ***  *  **    * * *   * * **   ** * **  %d",counter,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 2

Hidden content!
#include **** *** * * **
int main (void)
{
 *  * *** * *   * **** ** n, count, sum, t, remainder;
**** ** *  ** ******* **      = 0;
*   *** *  * *   **********    * = 0;
 *****  * *  * ******  **  ** ***  * **   &n);
 * **  * * ******* **  *  * = n;
   *  *    * **    **  **     (n != 0)
  ****    **    *   *   * *  * *

   *** ***      * *** *  * *  *** **    **** ***  *     * = n % 10;
* * ** * *     ***   *  *    **  ***   * *  * = sum + remainder;
 *    ***** ****** * * * ** * * *** * **  *  ***    *    *   * * /= 10;
**  ** **   *    *****  *    * *  * * ** ******  ** *  **** **  *


**   * *  * * ** ***    
     *  ** ***   *  *** ** * ** ***  * * ** %d", count, 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 3

Hidden content!
#include<stdio.h>
int main(){
 *   * * *  **   *  *** **    i;
 ***        ***  *    *  * sum=0,counter=0;
** ** ***  *   *   *   ** *  * **** ** * *** * *  ** ***   ){
**** *  ****** *** *    *** * ***  * ** ** * * ****  * ** ** *
*  ** **  ***  ** ** * **  *    **     ** ** * *  **** * *  *  *
      *****  ****  
* **** *   * ****    ****  * ***   **  * *** %d",counter,sum);
 ** *** ** *   * *   *  * * ** 0;
}

Comments

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(){
   ***** ** * *** * **   **  **** i;
  *  *  *  * ****  *       * *  * sum=0,counter=0
   * *   **     * *       *** ***    * * *   * *** **** * * * **      ){
**    ***** ** *    *  **    * * ***    ****  ** ** * ***  
* *  ***  *  *  **** ** ** ** *  *  * ** *****    **  ** * 
**** *   * * ** * ** *       
   * *****  *   * **  * ** * **  ***** * * %d",counter,sum);
  * ** *** *** *  *    ***** ** 0;
}

Comments

prog.c: In function 'main':
prog.c:5:5: error: expected ',' or ';' before 'while'
     while( scanf("%1d",&i)!=EOF ){
     ^~~~~
prog.c:3:9: error: unused variable 'i' [-Werror=unused-variable]
     int i;
         ^
cc1: all warnings being treated as errors

Answer 5

Hidden content!
#include <stdio.h>
#include <stdlib.h>

int main()
{
*   ***  ** ******* *  **  a,sum,b;
*  **   * * *  *      * ****     *             *   *** * ***  
*    ** * **   * **  **** ***    ***      **    **** *
  ********  *   **   * **   * *  *     
 * *     **  **** * * **     **** * *  **   * **  * * *    
** * *    *   ** *  ** * *** *     *** * ** ******* *   **   
**   **  * **      * *** *  * * **         * *  **   **  *   
 * **   *     *** * *      ** if(a<=99&&a>9)
* * *     *  **  *     *   *   *  * ** *****  *  * **  * *
  *** *   * *  *  *  ***  *  ** ***
 ** **   **** * ** * *   * *  ***  * **  * *   ** * ***
* *** *** *     **    ****    * * *  **  %d",b,sum);
**** *     *** * * **  * ** ** 0;
}

Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output

---

-----------Re-judge-----------
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output