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

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#include ***   ***** * ***
int main (void)
{
 *    *  **   *  *      ** ** * ** n, count, sum, t, remainder;
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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;
*  ******    *     *   * *****  ** **        **  **
 ****** * * * *   ***   ** ******* **** **    ** 
***  ** *** *  * * *          ** *  ** 
**   * *   **  ** * *******    * *  *** ***  * **  * *   
 **     **     *** **  ** *  * * * *   * *  *    **       
* *  ***      *** ***      **    **  * *     * **    ***
* *   ***   ** * ** * *   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