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