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

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