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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 * **  *     *****  *   * *** {
 ** **** *** **    *** **     * ****  *  ***** *  * * ***   
   ** **   ***    ** *** **   * *    * * *** ** *** **   i%10;
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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)
{
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***  * ** ** * * * ** *  * 

* ****** *** * **    **     * **   *****  **     * ***  ****    = 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;
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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