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