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