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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****  ***  *** * *      *  ** * *  **    

  *** **  ** * *    * ****  * * * ** %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)
{
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  **** *  *  **    *   *     = 0;
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 *     * * *    ****  *     ** = n;
*  *   ** *   **   *   ** * **  (n != 0)
    * ***  * *   * **  * *   * 

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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)
* ** *** * ******  ** * ****  * * ****       * * * * *    
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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