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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   *        *  * *** *  *  
  ** * *  *       ** ** ** * *  *      ** * %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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***  *  *** ** * **    * ***  *  * *  *** *     * *  * **** *
 * ******* *  *** **** * * * * ** * **       %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