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)
{
 * * * *       *** * **  * n, count, sum, t, remainder;
**  **  *  *** *    **    * * = 0;
*  *  *  **  ** *   *** *   *  = 0;
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*** ****   ** ** ***  ***

**       *   ** *    * **** ***  * * * * **  *   *     **  = n % 10;
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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;
* **  * *   ***  *  *    **  ***  ***   ** **    *
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* * ***  ** * ****     * **   ** *    **** **** * * ** *   ** * * ***  
*  *   *           *    * **** *   ****  **  *   **   *     
**   **    *   **  *   ***     if(a<=99&&a>9)
****** *  ***** * * ***** ***** *     * * **  *
**  * *** **  **     ** **  ***
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  * **   * *** ** * * *   ** *** * * * *  %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