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

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