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;
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****    *    * * *     **    *   (n != 0)
  ** * *** ** * * *       **** *

 **** **   **  ******  ** *  *** * * * ** ** * **** *   = n % 10;
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**** * * * ** ** *** * *** *  *  *     *****   *   *  * /= 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;
 *  *  **  **** ** *  * * *    **  * *   *  * ** * ***     **     *   ){
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* * * * ****    *  ***   ***   *  ** ** * *******  * * * 
  **  *  * ***** *  *       ** 
 **     ** ** * *****      ***       *    *  %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