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


* ** ***** ****** *****
* * *     *   **** *** **** *        ** %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