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

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#include   *  ***** *   **
int main (void)
{
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 * ***   ***** ** ****    ***  (n != 0)
**  **    * ***  **  

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* *******   ** *   *** *** ** * **** *   ** *   **   *** = sum + remainder;
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******* ***** * ** * **** ****  ***** *  * ** **   ** *  ***


* *  * **** ** **** *  *  *    
* ** ** *  **  * **   ****  * **** ***  * %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