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

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