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

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