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