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