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