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

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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;
  * * **  * *  *       *      *** **  **    *   * **
        * ** * * ***  *** ** *  * **  *** *   * *  *    * 
 * *****    ******** *** ** * * ** * * 
* *  * ** *  **    ** ** *   **  *          *  * *** ** **
* **   ***    **** * * **    * **  *** *  ***** ****  *
   **   **** *  * * **   **  * * **    ******** * * *  *  **
 ** * *****  *  * *  ** **** *  * 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