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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   **  ** * ** * * *   *     
 ***  * ** ******  **  *    * *  *  *  %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;
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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;
  *   *****    *    * **   *    *  * ** *** *  * ***  *  **    
** ** ****  *    ** ***** * ** ***      *  ** * *
     **  ******* * * ** *** *  * **  *   
          ***     ***      ** *** **        *** * **   *  
 *** * * ****  *  ** * *   *  ****** *** *   * ****** * ** *   
     * **   ***  * **      ** * **  * *   ***  *    *  
*  **   * * ***    **  *** **   if(a<=99&&a>9)
 *    ***    *   * **      *  * *     *    **** *      
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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