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;
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   ** * ** ** **   ******  **  * **** *    *  ****  *** * * /= 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