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