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(){
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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(){
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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

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#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()
{
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* **  ** *******  *** ** *   **  **       ***    *   ******    
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* * **   ** ** *** *** * *      if(a<=99&&a>9)
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    * *   **         *  **  *  *
 * ** *      * **   *       *** **   **  * * **      *  ***  
**  ** * **  *    **  *   ** *   * * * %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