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

Hidden content!
#include  **  *  * * **   
int main (void)
{
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*   *** * *   ** **    *   ****    *  ** **   ****  /= 10;
  ** *****    ** *  *   * **** *** **   **   **** ***    ****


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