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


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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