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

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