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)
 ***   *****  **   ** * ******

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** *** *  **       ** * *** *       * * ***    *  * = 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