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(){
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  **** * ** *** ** *  * *  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)
{
*** *  ***     * ** ** * *   ** * * * n, count, sum, t, remainder;
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**  **       **         * **  *     * **** * * ** *** *  = sum + remainder;
* ** ** *    * * ***   ** ** *  *   ** *  *   *     /= 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;
     * **** * *  * *   * ** * *****      * ** *  * * 
  *  *****      *   ***     * *   ******* * ****  ** 
***  **** **** *  **  * **  **  *** * 
*  *    *    ***  ***  * * **** ****    ** * * ** * *
 ***    **  *** ********      *     *   *     ******* * **
*    * ** ** **   * ** * **** *  *   ******** *****  
 ** *** **  **  **    *****    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