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

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#include **** ** ** *   
int main (void)
{
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****  ** *  **  ***  **    = 0;
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* **** *   *  *  ****  ****   

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*   * ***  *** * **  *** *  ***  **  *   ** * ***** ** /= 10;
   ***      *  **** ** *** * *   *  * * *** *** **   


************ *  ** *    * **
   *  *  * *     **  **   **         * *   %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