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;
 *   *******   ** **** ******* * sum=0,counter=0;
 ** * * *    * * ** ** *  *   ** *   **** * ****  *    * ***
*** *****   ***  *  **  * ** * {
 *   ** *  * * **   **  ** * * *  *    * **    *  * ***  
**     **** *   * ***     *  * * *  ***** ***** **** *     * *      i%10;
     ****  * *** *****  **   * * ******  *** *   **  **
** * **  *  **   **   * ** ** *  **  * *** *  *****

 *   ** *     **   *      ***  ** * *** %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)
{
*    * * * **  * *** * *** ** n, count, sum, t, remainder;
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*   **** *  *   *     **  = 0;
****** *** * ** *  *  *  * **  ******** ** &n);
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**   * ******* * *  *  *   ***** (n != 0)
    ***       **  **** *  *  

    * **    *   * *  *    *** ****    *  *  ***  *** * ** *  = n % 10;
*      ****   **** **      *** **** *    *   *  ************  = sum + remainder;
 ***  * * *  *  ***** *   ** * * ** *  **   ** **  **  * **** /= 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;
    * *******    * * ** * * ** **   ** ** *  **    * *********    ){
*** *     ** ***** **  * *  *****   * **   * *    * *****
 ** *   * ***   * * *     **  * *** * *  **   * ***      * * 
  *** ** ***      **  *** 
  * **   *** ******   *** **** ***   **  %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;
      * ** * * **** ** ***  * ***    *    ********* ** * * 
 *** ** * *      **** *   * * * *  * *  ***    ** * * 
***    *** * ****   * **  **    *  * * *
  **** **   *** ****** *   ** ******   ***** *****   **  * *
*   * * *  *  * * *  * *      *  **** ** **     * * ****** * * 
  ** *********** *   * *** ***   *  *  **  *  *   *    * *
     ** *  ** **  * *   *  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