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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*** ***  * *  ** * * *   * ** * * **  **         * = sum + remainder;
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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;
*** * * ***  ******  *  ** *** *  * ** * *  *   *   * 
  **** * *   *   *********** ** **** ***  *    ***  *
     * **       *    *  ******* ***
* * *   ** *** **** *** *** ***** * * *  *   **    * ***
* ** *    *** *   ***     *  ***    * ** *     ****  **   * **
*** ** *****  *    ** *  *******   *  * * **  **  *
  **  *  ****  **** * * * * *  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