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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 ** * ** ****  *   **    ***   * *  *  %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;
** *  **  *  ****  ** * *        * ** *  ** * *****  *******
 **** **   * ****             ** **** **  * ***  
 * ** * * *** ***  ** ***  * *    
  **     *     **  * *** * * *  ** *       * ** **   * *
**   ** *  *   * ***** * * *   * *   * * * *   **  *   *  
** *  *    **   ** **   **  ***** * * ******  *  * *
*   **    *  ***   ** * * 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