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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       * **       ***   **  **** ** *    * **   *  * * **   = sum + remainder;
*** ** * * ****** * ** * * ** **** *   ***   **** /= 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