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