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;
     ***  ** * * ***  ** ** *  **  *   *  **  * ** /= 10;
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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)
 ** *  **  * *  *      **    *   ***  **   *      * **  *** * ****
     * * **** ****** * *   **
 * *** **  **    *    * ** * ** *   *   * **   *** 
  ****** **** ****   * *********   **   * *** %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