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