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