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