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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 *  **  * *   **  ** * * **    ** *** **  ** ****** *   * /= 10;
* *******  *  *** **      ***  ***   *   ** *** ***  * ** *** 


 * * **   *** * *** * ***** 
    *****  * * *  *  **    ** ** ***** %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)
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*  *** **      *   **       **
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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