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

Hidden content!
#include      *  *  * **
int main (void)
{
* ***   * ***** **      ******* n, count, sum, t, remainder;
  *     *  ***  **** * *  ** *** ** = 0;
   ** *****   **     *    * = 0;
  **  ********     * *********   *  *  *    *     &n);
  ****  *****     ** ** * = n;
*  *  **    *      ****   * ** (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