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