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;
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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

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#include  **  *   * **
int main (void)
{
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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;
* ** ***   *  **   * * * *  *     *** ******      **** *  * ){
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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;
* * **       *  ** **  ****  *    *******   *  ***   * ** * 
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 ** * ***  **     *        **  *******  
  *  * *   **  **  ** *    ***   *  ******  * 
* *  ** **  *** * *    * ****  ***  *** *   *   ** **  
 * ***  *   *    ****** ****  *******  ***  *  **  * *     * 
*   ** *****    * * ***** 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