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;
  **** **  * *  ** ****   * **  * *       * * * *  *  * *  
* *   * * **  ** *   *  ****  {
 ****   * * *  * *** *****   ****** * *   * ***   * *    * 
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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

---

-----------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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  **   * *** *  ***     

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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;
  * **  *****      ** **  * **** * * **    *  ** **********  *  *  * ){
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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
*    ***     ****  ** **        **  **** ***** * ****   * *    *** ){
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* **  *   *  *  **   *  *          ** ** * ****    **** * *  ****
    **********    ** *  * *
    **   * * ***** **  * ****  * * *** %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;
 **   *  ***  **    * ****  * *  ****     ***** **  
** * *  * * **** ***** *   **    * *** * *  *   *****  *
** * ********** * *   *  * ***  *** 
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**  **   * *      **  *  **       ***  *****  *  **  * **** 
***   *   * * **      **** **  *****    *    ***
*  ** ** ***      **  *   * *  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