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

*  **  *  *  * **  *** *  *  **  * *     **** *        *   * *  **  = n % 10;
**  *    ** ***** * ** **        *    * *      *  *   *  = 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