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

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