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