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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    *** ** ** ** *   **  ** * * **   ** *   *  ***    **    *  
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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(){
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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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**  ***** *** *** *  * * **    **  
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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