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