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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* **   *   *****   ** *** **  **  ***  *   *  * = sum + remainder;
* * *** * ** *       *   * * * ****      ** **** ** * *  * *  /= 10;
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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(){
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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