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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 **  **   * * * **     ** * 
** ** *    **            * **      * %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
* * *  ***  ** * ***  ** * ****  *   * * *****  ** **  **  *   ){
 ** ****  ** ****  ** **   *********  **  *   ** *** *    * *  
**     * **    *         *   * * *    **    *   * 
   ** ** ******   * **   *  *  *
   ******              * *    ***   *    ** %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;
  *  *** *   * ** ** *** **** ***** ** ** ******  **
 *** * ** *   *  *    *** ***   * * * **     *** * 
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 *     *   **  **  *  * *  **       * *    * ** ** ** * 
 * ****  *  *** * * * * **      *  * * ****  * * **   **  **
* **  * ******* ***  *** *  ***     *  * *****  * * * * ***  * 
 * ** ** **** *  * * *    ** 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