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(){
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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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* *   ** ** * ****  *  ** *  ********    *  ****  = sum + remainder;
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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;
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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