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

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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
   *** *     ***    ****  *  **    ****   * *   ** ***  ){
* * ***  **  ****** * **   **** *  * *** ** * * ** *  * * **
   **     ***  **  *** ******  * *   * *     *  * ****
*   *** * **  * *** *****  ***
      ****** * ***       *  * * * ** %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