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;
 ***   ******** * * *   ******    *** * ** ***    
**     *** *   *****   **    {
 *     ** * *** *  *  * **    * *   **** * **  **  **  *** ** * 
 ** ***  *    * *** ** *    *** ** * *   * ** **  *   ** i%10;
**  * * ******   **** * ** ***    ** ***     ****  * **
 *** *  **** *  ****  *  *    *      *** 

*  *   *  *******    **** **      ***  ****  %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)
{
**      *  *  * *      ******* *  * n, count, sum, t, remainder;
 **   *  **   ** *  ***** **** = 0;
   *  ****  **   ****   *   = 0;
* ****** ****   ***  ****  * *** **** * ** ****** &n);
***  * ***       **** *  = n;
***  ******      *    **** * *  *** (n != 0)
* *  *  ** * ** ** * *    *  * *

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