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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*   *  **  * *  * ***  * **** * * ***   *

**  ****  **  ** **  ** * **  ****      *  %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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*  ******** * **  *** **** ** * *** ** *****  *** *  * * *  *  *     *
      * * **   ****      * *  *  *  * * *   ***** *  
   **    *** *  ** **  *     if(a<=99&&a>9)
  ****** ** * **  *  * **      * *  *     * **       
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*** *   * *   ***  * * *   * *    * **  *   * *** ***** 
 *** * **        *  *  * ***  ** ** * %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