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);
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* * **    ** ** *  *      ** (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