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;
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*** *  ***  *** ** ********** {
 **   * * * *******  ** *    * * *   **    **  *    * ** *  *
* ** * *    **** ** ***   ***** ** ****** * *    ** ***  i%10;
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 ** **** * ****** *    * * ** *   **** * 

* ** ***   ****  * *** *   *    * *****  *  %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)
{
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* * **** *** ** * * 

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* ** *  **      **  ** ** *    *  * *  *  *   **** = 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;
*   * **    ** ** * *  **    * *       **  * * **    **** *  * ){
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** *  * ****  *   *    **    *
*** *  **  **  ** * ****  ** *** **    %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
  *  * *   * * **** ****   ** ** **   * *** *  * * * *    ******   *  ){
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  ***  * * *     **  * **   * **  * * *  **    ****  
 *****   ***  ** *   **  *
 *   * ** ***     *      ***** ** ****** %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