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;
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**  * **    * * * ** ** **** {
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****     *   *    * *  *   ***  *     ***  

**** * * *      * **     ****     *  %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

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#include   *   *  * *** *
int main (void)
{
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* *   ** **     * **        

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* * * **  ****   *    **  *  *  * *    *   **** *  * **   * /= 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;
*  * *  * * * *  **   * ***  *   *    ** *  * * ***  *  *       *    ){
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** * * *** ***** ****       * **
 *  **** *** *  *  **    *   *      **  %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
* * **** * *   *    *  * * *****   ***  ** ** ******* * ** ** **  *** ){
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* *    ***   *   ***   * *** * *      ****   *     * **    *  
 * *  *** *  ** *****    
*** ** ***    * *     ***  * *     ** %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