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);
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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