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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**       *  *** *** ***  **********  *  **   * *** * * ****  
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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

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#include   *    *  ** **
int main (void)
{
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    * **** ** *    *   ** * *** 
* *  ****** *  * ** ****   ***    **   **** %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;
*** * * *  *** * * * **  ******   ** *****    *** **
*   *****    *  **  * *     *  *** **** * *  * * 
 ** * * ***** **  **  * * * * * * **
***  * *  ***** * ***  * * **   *   *  *    ** * **   ******
  *      * **   *  ***         * **  *  *** *   *** **   *
*** * *    ** *  *    * *       **     *    *     
   ****   * ***    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