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