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;
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*    ***      ** **  **** **  ** = n;
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* * **   **  *  * *  ***   ***  **

** *********** ** ***    *   *  * * *** **  **   *  * = 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