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;
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 ***** *   * *****   *** * **    ********   * * *    &n);
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*     ***    ****    *** *

*       *   ****  *  * *  * **    *    **** *  ******  * ** = 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