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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* *  *  *  ****  ***  * **   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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}

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(){
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     ********   *  **  *  *   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)
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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