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