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