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

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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