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