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)
{
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**** **   *  ******  ***    *       (n != 0)
* ** *** * ** *   *** *  ***  

* *      *****  *  * ** *****   **    * *       * **   *   ** * * = n % 10;
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   * **** * **** *** * * *     *     * *   **** /= 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(){
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* ****  *  *  ** **   ****** 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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****  *    ***   **** ** *    *** ** ** * *      ** *    *
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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