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