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