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;
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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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*   ** *    * ** *  *  

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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)
     * **  *****  ****** *  * **   ***  ***  * * ** * * * ** *  
* ** *  ***   *  * ** * 
* *  *  *    **  ***** **** *** ** * ***  ** * **** 
 * *     * * * *      ***** *  * * ***  %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